1801 lines
57 KiB
C
1801 lines
57 KiB
C
//
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// fiv-browser.c: filesystem browsing widget
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//
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// Copyright (c) 2021 - 2022, Přemysl Eric Janouch <p@janouch.name>
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//
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// Permission to use, copy, modify, and/or distribute this software for any
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// purpose with or without fee is hereby granted.
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//
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// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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// SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
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// OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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// CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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//
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#include "config.h"
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#include <math.h>
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#include <pixman.h>
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#include <gtk/gtk.h>
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#ifdef GDK_WINDOWING_X11
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#include <gdk/gdkx.h>
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#endif // GDK_WINDOWING_X11
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#ifdef GDK_WINDOWING_QUARTZ
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#include <gdk/gdkquartz.h>
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#endif // GDK_WINDOWING_QUARTZ
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#include "fiv-browser.h"
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#include "fiv-context-menu.h"
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#include "fiv-io.h"
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#include "fiv-thumbnail.h"
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// --- Widget ------------------------------------------------------------------
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// _________________________________
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// │ p a d d i n g
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// │ p ╭───────────────────╮ s ╭┄┄┄┄┄
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// │ a │ glow border ┊ │ p ┊
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// │ d │ ┄ ╔═══════════╗ ┄ │ a ┊
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// │ d │ ║ thumbnail ║ │ c ┊ ...
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// │ i │ ┄ ╚═══════════╝ ┄ │ i ┊
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// │ n │ ┊ glow border │ n ┊
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// │ g ╰───────────────────╯ g ╰┄┄┄┄┄
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// │ s p a c i n g
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// │ ╭┄┄┄┄┄┄┄┄┄┄┄┄╮ ╭┄┄┄┄┄┄┄┄┄┄┄┄
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//
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// The glow is actually a glowing margin, the border is rendered in two parts.
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//
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typedef struct entry Entry;
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typedef struct item Item;
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typedef struct row Row;
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typedef struct {
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FivBrowser *self; ///< Parent browser
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Entry *target; ///< Currently processed Entry pointer
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GSubprocess *minion; ///< A slave for the current queue head
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GCancellable *cancel; ///< Cancellable handle
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} Thumbnailer;
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struct _FivBrowser {
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GtkWidget parent_instance;
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GtkAdjustment *hadjustment; ///< GtkScrollable boilerplate
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GtkAdjustment *vadjustment; ///< GtkScrollable boilerplate
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GtkScrollablePolicy hscroll_policy; ///< GtkScrollable boilerplate
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GtkScrollablePolicy vscroll_policy; ///< GtkScrollable boilerplate
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FivThumbnailSize item_size; ///< Thumbnail size
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int item_height; ///< Thumbnail height in pixels
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int item_spacing; ///< Space between items in pixels
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FivIoModel *model; ///< Filesystem model
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GArray *entries; ///< []Entry
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GArray *layouted_rows; ///< []Row
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const Entry *selected; ///< Selected entry or NULL
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guint tracked_button; ///< Pressed mouse button number or 0
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double drag_begin_x; ///< Viewport start X coordinate or -1
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double drag_begin_y; ///< Viewport start Y coordinate or -1
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GHashTable *thumbnail_cache; ///< [URI]cairo_surface_t, for item_size
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Thumbnailer *thumbnailers; ///< Parallelized thumbnailers
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size_t thumbnailers_len; ///< Thumbnailers array size
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GList *thumbnailers_queue; ///< Queued up Entry pointers
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GdkCursor *pointer; ///< Cached pointer cursor
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cairo_pattern_t *glow; ///< CAIRO_FORMAT_A8 mask for corners
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cairo_pattern_t *glow_padded; ///< CAIRO_FORMAT_A8 mask
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int glow_w; ///< Glow corner width
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int glow_h; ///< Glow corner height
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int item_border_x; ///< L/R .item margin + border
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int item_border_y; ///< T/B .item margin + border
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};
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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/// The "last modified" timestamp of source images for thumbnails.
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static cairo_user_data_key_t fiv_browser_key_mtime_msec;
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struct entry {
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gchar *uri; ///< GIO URI
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gint64 mtime_msec; ///< Modification time in milliseconds
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cairo_surface_t *thumbnail; ///< Prescaled thumbnail
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GIcon *icon; ///< If no thumbnail, use this icon
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};
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static void
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entry_free(Entry *self)
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{
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g_free(self->uri);
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g_clear_pointer(&self->thumbnail, cairo_surface_destroy);
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g_clear_object(&self->icon);
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}
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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struct item {
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const Entry *entry;
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int x_offset; ///< Offset within the row
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};
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struct row {
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Item *items; ///< Ends with a NULL entry
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gsize len; ///< Length of items
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int x_offset; ///< Start position outside borders
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int y_offset; ///< Start position inside borders
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};
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static void
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row_free(Row *self)
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{
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g_free(self->items);
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}
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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static void
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append_row(FivBrowser *self, int *y, int x, GArray *items_array)
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{
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if (self->layouted_rows->len)
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*y += self->item_spacing;
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*y += self->item_border_y;
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Row row = {.x_offset = x, .y_offset = *y};
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row.items = g_array_steal(items_array, &row.len),
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g_array_append_val(self->layouted_rows, row);
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// Not trying to pack them vertically, but this would be the place to do it.
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*y += self->item_height;
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*y += self->item_border_y;
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}
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static int
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relayout(FivBrowser *self, int width)
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{
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GtkWidget *widget = GTK_WIDGET(self);
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GtkStyleContext *style = gtk_widget_get_style_context(widget);
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GtkBorder padding = {};
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gtk_style_context_get_padding(style, GTK_STATE_FLAG_NORMAL, &padding);
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int available_width = width - padding.left - padding.right, max_width = 0;
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g_array_set_size(self->layouted_rows, 0);
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// Whatever self->drag_begin_* used to point at might no longer be there,
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// but thumbnail reloading would disrupt mouse clicks if we cleared them.
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GArray *items = g_array_new(TRUE, TRUE, sizeof(Item));
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int x = 0, y = padding.top;
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for (guint i = 0; i < self->entries->len; i++) {
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const Entry *entry = &g_array_index(self->entries, Entry, i);
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if (!entry->thumbnail)
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continue;
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int width = cairo_image_surface_get_width(entry->thumbnail) +
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2 * self->item_border_x;
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if (!items->len) {
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// Just insert it, whether or not there's any space.
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} else if (x + self->item_spacing + width <= available_width) {
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x += self->item_spacing;
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} else {
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append_row(self, &y,
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padding.left + MAX(0, available_width - x) / 2, items);
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x = 0;
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}
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g_array_append_val(items,
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((Item) {.entry = entry, .x_offset = x + self->item_border_x}));
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x += width;
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if (max_width < width)
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max_width = width;
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}
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if (items->len) {
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append_row(self, &y,
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padding.left + MAX(0, available_width - x) / 2, items);
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}
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g_array_free(items, TRUE);
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int total_height = y + padding.bottom;
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if (self->hadjustment) {
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gtk_adjustment_set_lower(self->hadjustment, 0);
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gtk_adjustment_set_upper(self->hadjustment,
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width + MAX(0, max_width - available_width));
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gtk_adjustment_set_step_increment(self->hadjustment, width * 0.1);
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gtk_adjustment_set_page_increment(self->hadjustment, width * 0.9);
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gtk_adjustment_set_page_size(self->hadjustment, width);
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}
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if (self->vadjustment) {
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gtk_adjustment_set_lower(self->vadjustment, 0);
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gtk_adjustment_set_upper(self->vadjustment, total_height);
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gtk_adjustment_set_step_increment(self->vadjustment,
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self->item_height + self->item_spacing + 2 * self->item_border_y);
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gtk_adjustment_set_page_increment(
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self->vadjustment, gtk_widget_get_allocated_height(widget) * 0.9);
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gtk_adjustment_set_page_size(
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self->vadjustment, gtk_widget_get_allocated_height(widget));
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}
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return total_height;
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}
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static void
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draw_outer_border(FivBrowser *self, cairo_t *cr, int width, int height)
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{
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cairo_matrix_t matrix;
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cairo_save(cr);
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cairo_translate(cr, -self->glow_w, -self->glow_h);
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cairo_rectangle(cr, 0, 0, self->glow_w + width, self->glow_h + height);
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cairo_clip(cr);
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cairo_mask(cr, self->glow_padded);
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cairo_restore(cr);
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cairo_save(cr);
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cairo_translate(cr, width + self->glow_w, height + self->glow_h);
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cairo_rectangle(cr, 0, 0, -self->glow_w - width, -self->glow_h - height);
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cairo_clip(cr);
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cairo_scale(cr, -1, -1);
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cairo_mask(cr, self->glow_padded);
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cairo_restore(cr);
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cairo_matrix_init_scale(&matrix, -1, 1);
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cairo_matrix_translate(&matrix, -width - self->glow_w, self->glow_h);
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cairo_pattern_set_matrix(self->glow, &matrix);
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cairo_mask(cr, self->glow);
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cairo_matrix_init_scale(&matrix, 1, -1);
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cairo_matrix_translate(&matrix, self->glow_w, -height - self->glow_h);
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cairo_pattern_set_matrix(self->glow, &matrix);
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cairo_mask(cr, self->glow);
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}
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static GdkRectangle
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item_extents(FivBrowser *self, const Item *item, const Row *row)
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{
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int width = cairo_image_surface_get_width(item->entry->thumbnail);
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int height = cairo_image_surface_get_height(item->entry->thumbnail);
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return (GdkRectangle) {
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.x = row->x_offset + item->x_offset,
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.y = row->y_offset + (self->item_height - height) / 2,
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.width = width,
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.height = height,
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};
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}
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static const Entry *
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entry_at(FivBrowser *self, int x, int y)
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{
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if (self->hadjustment)
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x += round(gtk_adjustment_get_value(self->hadjustment));
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if (self->vadjustment)
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y += round(gtk_adjustment_get_value(self->vadjustment));
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for (guint i = 0; i < self->layouted_rows->len; i++) {
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const Row *row = &g_array_index(self->layouted_rows, Row, i);
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for (Item *item = row->items; item->entry; item++) {
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GdkRectangle extents = item_extents(self, item, row);
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if (x >= extents.x &&
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y >= extents.y &&
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x <= extents.x + extents.width &&
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y <= extents.y + extents.height)
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return item->entry;
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}
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}
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return NULL;
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}
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static GdkRectangle
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entry_rect(FivBrowser *self, const Entry *entry)
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{
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GdkRectangle rect = {};
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for (guint i = 0; i < self->layouted_rows->len; i++) {
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const Row *row = &g_array_index(self->layouted_rows, Row, i);
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for (Item *item = row->items; item->entry; item++) {
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if (item->entry == entry) {
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rect = item_extents(self, item, row);
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break;
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}
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}
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}
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if (self->hadjustment)
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rect.x -= round(gtk_adjustment_get_value(self->hadjustment));
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if (self->vadjustment)
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rect.y -= round(gtk_adjustment_get_value(self->vadjustment));
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return rect;
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}
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static void
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draw_row(FivBrowser *self, cairo_t *cr, const Row *row)
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{
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GtkStyleContext *style = gtk_widget_get_style_context(GTK_WIDGET(self));
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gtk_style_context_save(style);
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gtk_style_context_add_class(style, "item");
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GtkBorder border;
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GtkStateFlags common_state = gtk_style_context_get_state(style);
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gtk_style_context_get_border(style, common_state, &border);
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for (Item *item = row->items; item->entry; item++) {
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cairo_save(cr);
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GdkRectangle extents = item_extents(self, item, row);
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cairo_translate(cr, extents.x - border.left, extents.y - border.top);
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GtkStateFlags state = common_state;
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if (item->entry == self->selected)
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state |= GTK_STATE_FLAG_SELECTED;
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gtk_style_context_save(style);
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gtk_style_context_set_state(style, state);
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if (item->entry->icon) {
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gtk_style_context_add_class(style, "symbolic");
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} else {
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GdkRGBA glow_color = {};
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gtk_style_context_get_color(style, state, &glow_color);
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gdk_cairo_set_source_rgba(cr, &glow_color);
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draw_outer_border(self, cr,
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border.left + extents.width + border.right,
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border.top + extents.height + border.bottom);
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}
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// Performance optimization--specifically targeting the checkerboard.
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if (cairo_image_surface_get_format(item->entry->thumbnail) !=
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CAIRO_FORMAT_RGB24) {
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gtk_render_background(style, cr, border.left, border.top,
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extents.width, extents.height);
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}
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gtk_render_frame(style, cr, 0, 0,
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border.left + extents.width + border.right,
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border.top + extents.height + border.bottom);
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if (item->entry->icon) {
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GdkRGBA color = {};
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gtk_style_context_get_color(style, state, &color);
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gdk_cairo_set_source_rgba(cr, &color);
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cairo_mask_surface(
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cr, item->entry->thumbnail, border.left, border.top);
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} else {
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cairo_set_source_surface(
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cr, item->entry->thumbnail, border.left, border.top);
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cairo_paint(cr);
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// Here, we could consider multiplying
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// the whole rectangle with the selection color.
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}
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cairo_restore(cr);
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gtk_style_context_restore(style);
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}
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gtk_style_context_restore(style);
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}
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// --- Thumbnails --------------------------------------------------------------
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// NOTE: "It is important to note that when an image with an alpha channel is
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// scaled, linear encoded, pre-multiplied component values must be used!"
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static cairo_surface_t *
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rescale_thumbnail(cairo_surface_t *thumbnail, double row_height)
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{
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if (!thumbnail)
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return thumbnail;
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int width = cairo_image_surface_get_width(thumbnail);
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int height = cairo_image_surface_get_height(thumbnail);
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double scale_x = 1;
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double scale_y = 1;
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if (width > FIV_THUMBNAIL_WIDE_COEFFICIENT * height) {
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scale_x = FIV_THUMBNAIL_WIDE_COEFFICIENT * row_height / width;
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scale_y = round(scale_x * height) / height;
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} else {
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scale_y = row_height / height;
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scale_x = round(scale_y * width) / width;
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}
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if (scale_x == 1 && scale_y == 1)
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return thumbnail;
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int projected_width = round(scale_x * width);
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int projected_height = round(scale_y * height);
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cairo_format_t cairo_format = cairo_image_surface_get_format(thumbnail);
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cairo_surface_t *scaled = cairo_image_surface_create(
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cairo_format, projected_width, projected_height);
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// pixman can take gamma into account when scaling, unlike Cairo.
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struct pixman_f_transform xform_floating;
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struct pixman_transform xform;
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// PIXMAN_a8r8g8b8_sRGB can be used for gamma-correct results,
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// but it's an incredibly slow transformation
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pixman_format_code_t format =
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cairo_format == CAIRO_FORMAT_RGB24 ? PIXMAN_x8r8g8b8 : PIXMAN_a8r8g8b8;
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pixman_image_t *src = pixman_image_create_bits(format, width, height,
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(uint32_t *) cairo_image_surface_get_data(thumbnail),
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cairo_image_surface_get_stride(thumbnail));
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pixman_image_t *dest = pixman_image_create_bits(format,
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cairo_image_surface_get_width(scaled),
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cairo_image_surface_get_height(scaled),
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(uint32_t *) cairo_image_surface_get_data(scaled),
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cairo_image_surface_get_stride(scaled));
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pixman_f_transform_init_scale(&xform_floating, scale_x, scale_y);
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pixman_f_transform_invert(&xform_floating, &xform_floating);
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pixman_transform_from_pixman_f_transform(&xform, &xform_floating);
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pixman_image_set_transform(src, &xform);
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pixman_image_set_filter(src, PIXMAN_FILTER_BILINEAR, NULL, 0);
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pixman_image_set_repeat(src, PIXMAN_REPEAT_PAD);
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pixman_image_composite(PIXMAN_OP_SRC, src, NULL, dest, 0, 0, 0, 0, 0, 0,
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projected_width, projected_height);
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pixman_image_unref(src);
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pixman_image_unref(dest);
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cairo_surface_set_user_data(
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scaled, &fiv_thumbnail_key_lq, (void *) (intptr_t) 1, NULL);
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cairo_surface_destroy(thumbnail);
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cairo_surface_mark_dirty(scaled);
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return scaled;
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}
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static void
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entry_add_thumbnail(gpointer data, gpointer user_data)
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{
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Entry *self = data;
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g_clear_object(&self->icon);
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g_clear_pointer(&self->thumbnail, cairo_surface_destroy);
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FivBrowser *browser = FIV_BROWSER(user_data);
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cairo_surface_t *cached =
|
|
g_hash_table_lookup(browser->thumbnail_cache, self->uri);
|
|
if (cached &&
|
|
(intptr_t) cairo_surface_get_user_data(
|
|
cached, &fiv_browser_key_mtime_msec) == self->mtime_msec) {
|
|
self->thumbnail = cairo_surface_reference(cached);
|
|
// TODO(p): If this hit is low-quality, see if a high-quality thumbnail
|
|
// hasn't been produced without our knowledge (avoid launching a minion
|
|
// unnecessarily; we might also shift the concern there).
|
|
} else {
|
|
cairo_surface_t *found = fiv_thumbnail_lookup(
|
|
self->uri, self->mtime_msec, browser->item_size);
|
|
self->thumbnail = rescale_thumbnail(found, browser->item_height);
|
|
}
|
|
|
|
if (self->thumbnail) {
|
|
// This choice of mtime favours unnecessary thumbnail reloading.
|
|
cairo_surface_set_user_data(self->thumbnail,
|
|
&fiv_browser_key_mtime_msec, (void *) (intptr_t) self->mtime_msec,
|
|
NULL);
|
|
return;
|
|
}
|
|
|
|
// Fall back to symbolic icons, though there's only so much we can do
|
|
// in parallel--GTK+ isn't thread-safe.
|
|
GFile *file = g_file_new_for_uri(self->uri);
|
|
GFileInfo *info = g_file_query_info(file,
|
|
G_FILE_ATTRIBUTE_STANDARD_NAME
|
|
"," G_FILE_ATTRIBUTE_STANDARD_SYMBOLIC_ICON,
|
|
G_FILE_QUERY_INFO_NONE, NULL, NULL);
|
|
g_object_unref(file);
|
|
if (info) {
|
|
GIcon *icon = g_file_info_get_symbolic_icon(info);
|
|
if (icon)
|
|
self->icon = g_object_ref(icon);
|
|
g_object_unref(info);
|
|
}
|
|
|
|
// The GVfs backend may not be friendly.
|
|
if (!self->icon)
|
|
self->icon = g_icon_new_for_string("text-x-generic-symbolic", NULL);
|
|
}
|
|
|
|
static void
|
|
materialize_icon(FivBrowser *self, Entry *entry)
|
|
{
|
|
if (!entry->icon)
|
|
return;
|
|
|
|
// Fucker will still give us non-symbolic icons, no more playing nice.
|
|
// TODO(p): Investigate a bit closer. We may want to abandon the idea
|
|
// of using GLib to look up icons for us, derive a list from a guessed
|
|
// MIME type, with "-symbolic" prefixes and fallbacks,
|
|
// and use gtk_icon_theme_choose_icon() instead.
|
|
// TODO(p): Make sure we have /some/ icon for every entry.
|
|
// TODO(p): We might want to populate these on an as-needed basis.
|
|
GtkIconInfo *icon_info = gtk_icon_theme_lookup_by_gicon(
|
|
gtk_icon_theme_get_default(), entry->icon, self->item_height / 2,
|
|
GTK_ICON_LOOKUP_FORCE_SYMBOLIC);
|
|
if (!icon_info)
|
|
return;
|
|
|
|
// Bílá, bílá, bílá, bílá... komu by se nelíbí-lá...
|
|
// We do not want any highlights, nor do we want to remember the style.
|
|
const GdkRGBA white = {1, 1, 1, 1};
|
|
GdkPixbuf *pixbuf = gtk_icon_info_load_symbolic(
|
|
icon_info, &white, &white, &white, &white, NULL, NULL);
|
|
if (pixbuf) {
|
|
int outer_size = self->item_height;
|
|
entry->thumbnail =
|
|
cairo_image_surface_create(CAIRO_FORMAT_A8, outer_size, outer_size);
|
|
|
|
// "Note that the resulting pixbuf may not be exactly this size;"
|
|
// though GTK_ICON_LOOKUP_FORCE_SIZE is also an option.
|
|
int x = (outer_size - gdk_pixbuf_get_width(pixbuf)) / 2;
|
|
int y = (outer_size - gdk_pixbuf_get_height(pixbuf)) / 2;
|
|
|
|
cairo_t *cr = cairo_create(entry->thumbnail);
|
|
gdk_cairo_set_source_pixbuf(cr, pixbuf, x, y);
|
|
cairo_paint(cr);
|
|
cairo_destroy(cr);
|
|
|
|
g_object_unref(pixbuf);
|
|
}
|
|
g_object_unref(icon_info);
|
|
}
|
|
|
|
static void
|
|
reload_thumbnails(FivBrowser *self)
|
|
{
|
|
GThreadPool *pool = g_thread_pool_new(
|
|
entry_add_thumbnail, self, g_get_num_processors(), FALSE, NULL);
|
|
for (guint i = 0; i < self->entries->len; i++)
|
|
g_thread_pool_push(pool, &g_array_index(self->entries, Entry, i), NULL);
|
|
g_thread_pool_free(pool, FALSE, TRUE);
|
|
|
|
// Once a URI disappears from the model, its thumbnail is forgotten.
|
|
g_hash_table_remove_all(self->thumbnail_cache);
|
|
|
|
for (guint i = 0; i < self->entries->len; i++) {
|
|
Entry *entry = &g_array_index(self->entries, Entry, i);
|
|
if (entry->thumbnail) {
|
|
g_hash_table_insert(self->thumbnail_cache, g_strdup(entry->uri),
|
|
cairo_surface_reference(entry->thumbnail));
|
|
}
|
|
|
|
materialize_icon(self, entry);
|
|
}
|
|
|
|
gtk_widget_queue_resize(GTK_WIDGET(self));
|
|
}
|
|
|
|
// --- Minion management -------------------------------------------------------
|
|
|
|
#if !GLIB_CHECK_VERSION(2, 70, 0)
|
|
#define g_spawn_check_wait_status g_spawn_check_exit_status
|
|
#endif
|
|
|
|
static gboolean thumbnailer_next(Thumbnailer *t);
|
|
|
|
static void
|
|
thumbnailer_reprocess_entry(FivBrowser *self, GBytes *output, Entry *entry)
|
|
{
|
|
g_clear_object(&entry->icon);
|
|
g_clear_pointer(&entry->thumbnail, cairo_surface_destroy);
|
|
|
|
gtk_widget_queue_resize(GTK_WIDGET(self));
|
|
|
|
guint64 flags = 0;
|
|
if (!output || !(entry->thumbnail = rescale_thumbnail(
|
|
fiv_io_deserialize(output, &flags), self->item_height))) {
|
|
entry_add_thumbnail(entry, self);
|
|
materialize_icon(self, entry);
|
|
return;
|
|
}
|
|
if ((flags & FIV_IO_SERIALIZE_LOW_QUALITY)) {
|
|
cairo_surface_set_user_data(entry->thumbnail, &fiv_thumbnail_key_lq,
|
|
(void *) (intptr_t) 1, NULL);
|
|
|
|
// TODO(p): Improve complexity; this will iterate the whole linked list.
|
|
self->thumbnailers_queue =
|
|
g_list_append(self->thumbnailers_queue, entry);
|
|
}
|
|
|
|
// This choice of mtime favours unnecessary thumbnail reloading.
|
|
cairo_surface_set_user_data(entry->thumbnail,
|
|
&fiv_browser_key_mtime_msec, (void *) (intptr_t) entry->mtime_msec,
|
|
NULL);
|
|
g_hash_table_insert(self->thumbnail_cache, g_strdup(entry->uri),
|
|
cairo_surface_reference(entry->thumbnail));
|
|
}
|
|
|
|
static void
|
|
on_thumbnailer_ready(GObject *object, GAsyncResult *res, gpointer user_data)
|
|
{
|
|
GSubprocess *subprocess = G_SUBPROCESS(object);
|
|
Thumbnailer *t = user_data;
|
|
|
|
// Reading out pixel data directly from a thumbnailer serves two purposes:
|
|
// 1. it avoids pointless delays with large thumbnail sizes,
|
|
// 2. it enables thumbnailing things that cannot be placed in the cache.
|
|
GError *error = NULL;
|
|
GBytes *out = NULL;
|
|
gboolean succeeded = FALSE;
|
|
if (!g_subprocess_communicate_finish(subprocess, res, &out, NULL, &error)) {
|
|
if (g_error_matches(error, G_IO_ERROR, G_IO_ERROR_CANCELLED)) {
|
|
g_error_free(error);
|
|
return;
|
|
}
|
|
} else if (!g_subprocess_get_if_exited(subprocess)) {
|
|
// If it exited, it probably printed its own message.
|
|
g_spawn_check_wait_status(g_subprocess_get_status(subprocess), &error);
|
|
} else {
|
|
succeeded = g_subprocess_get_exit_status(subprocess) == EXIT_SUCCESS;
|
|
}
|
|
|
|
if (error) {
|
|
g_warning("%s", error->message);
|
|
g_error_free(error);
|
|
}
|
|
|
|
g_return_if_fail(subprocess == t->minion);
|
|
g_clear_object(&t->minion);
|
|
if (!t->target) {
|
|
g_warning("finished thumbnailing an unknown image");
|
|
g_clear_pointer(&out, g_bytes_unref);
|
|
return;
|
|
}
|
|
|
|
if (succeeded)
|
|
thumbnailer_reprocess_entry(t->self, out, t->target);
|
|
else
|
|
g_clear_pointer(&out, g_bytes_unref);
|
|
|
|
t->target = NULL;
|
|
thumbnailer_next(t);
|
|
}
|
|
|
|
static gboolean
|
|
thumbnailer_next(Thumbnailer *t)
|
|
{
|
|
// TODO(p): Try to keep the minions alive (stdout will be a problem).
|
|
FivBrowser *self = t->self;
|
|
GList *link = self->thumbnailers_queue;
|
|
if (!link)
|
|
return FALSE;
|
|
|
|
t->target = link->data;
|
|
self->thumbnailers_queue =
|
|
g_list_delete_link(self->thumbnailers_queue, self->thumbnailers_queue);
|
|
|
|
// Case analysis:
|
|
// - We haven't found any thumbnail for the entry at all
|
|
// (and it has a symbolic icon as a result):
|
|
// we want to fill the void ASAP, so go for embedded thumbnails first.
|
|
// - We've found one, but we're not quite happy with it:
|
|
// always run the full process for a high-quality wide thumbnail.
|
|
// - We can't end up here in any other cases.
|
|
const char *argv_faster[] = {PROJECT_NAME, "--extract-thumbnail",
|
|
"--thumbnail", fiv_thumbnail_sizes[self->item_size].thumbnail_spec_name,
|
|
"--", t->target->uri, NULL};
|
|
const char *argv_slower[] = {PROJECT_NAME,
|
|
"--thumbnail", fiv_thumbnail_sizes[self->item_size].thumbnail_spec_name,
|
|
"--", t->target->uri, NULL};
|
|
|
|
GError *error = NULL;
|
|
t->minion = g_subprocess_newv(t->target->icon ? argv_faster : argv_slower,
|
|
G_SUBPROCESS_FLAGS_STDOUT_PIPE, &error);
|
|
if (error) {
|
|
g_warning("%s", error->message);
|
|
g_error_free(error);
|
|
return FALSE;
|
|
}
|
|
|
|
t->cancel = g_cancellable_new();
|
|
g_subprocess_communicate_async(
|
|
t->minion, NULL, t->cancel, on_thumbnailer_ready, t);
|
|
return TRUE;
|
|
}
|
|
|
|
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
|
|
|
|
static void
|
|
thumbnailers_abort(FivBrowser *self)
|
|
{
|
|
g_list_free(self->thumbnailers_queue);
|
|
self->thumbnailers_queue = NULL;
|
|
|
|
for (size_t i = 0; i < self->thumbnailers_len; i++) {
|
|
Thumbnailer *t = self->thumbnailers + i;
|
|
if (t->cancel) {
|
|
g_cancellable_cancel(t->cancel);
|
|
g_clear_object(&t->cancel);
|
|
}
|
|
|
|
// Just let them exit on their own.
|
|
g_clear_object(&t->minion);
|
|
t->target = NULL;
|
|
}
|
|
}
|
|
|
|
static void
|
|
thumbnailers_start(FivBrowser *self)
|
|
{
|
|
thumbnailers_abort(self);
|
|
if (!self->model)
|
|
return;
|
|
|
|
// TODO(p): Leave out all paths containing .cache/thumbnails altogether.
|
|
gchar *thumbnails_dir = fiv_thumbnail_get_root();
|
|
GFile *thumbnails = g_file_new_for_path(thumbnails_dir);
|
|
g_free(thumbnails_dir);
|
|
|
|
GFile *current = fiv_io_model_get_location(self->model);
|
|
gboolean is_a_thumbnail = current && g_file_has_prefix(current, thumbnails);
|
|
g_object_unref(thumbnails);
|
|
if (is_a_thumbnail)
|
|
return;
|
|
|
|
GList *missing = NULL, *lq = NULL;
|
|
for (guint i = self->entries->len; i--; ) {
|
|
Entry *entry = &g_array_index(self->entries, Entry, i);
|
|
if (entry->icon)
|
|
missing = g_list_prepend(missing, entry);
|
|
else if (cairo_surface_get_user_data(
|
|
entry->thumbnail, &fiv_thumbnail_key_lq))
|
|
lq = g_list_prepend(lq, entry);
|
|
}
|
|
|
|
self->thumbnailers_queue = g_list_concat(missing, lq);
|
|
for (size_t i = 0; i < self->thumbnailers_len; i++) {
|
|
if (!thumbnailer_next(self->thumbnailers + i))
|
|
break;
|
|
}
|
|
}
|
|
|
|
// --- Boilerplate -------------------------------------------------------------
|
|
|
|
G_DEFINE_TYPE_EXTENDED(FivBrowser, fiv_browser, GTK_TYPE_WIDGET, 0,
|
|
G_IMPLEMENT_INTERFACE(GTK_TYPE_SCROLLABLE, NULL))
|
|
|
|
enum {
|
|
PROP_THUMBNAIL_SIZE = 1,
|
|
N_PROPERTIES,
|
|
|
|
// These are overriden, we do not register them.
|
|
PROP_HADJUSTMENT,
|
|
PROP_VADJUSTMENT,
|
|
PROP_HSCROLL_POLICY,
|
|
PROP_VSCROLL_POLICY,
|
|
};
|
|
|
|
static GParamSpec *browser_properties[N_PROPERTIES];
|
|
|
|
enum {
|
|
ITEM_ACTIVATED,
|
|
LAST_SIGNAL,
|
|
};
|
|
|
|
// Globals are, sadly, the canonical way of storing signal numbers.
|
|
static guint browser_signals[LAST_SIGNAL];
|
|
|
|
static void
|
|
on_adjustment_value_changed(
|
|
G_GNUC_UNUSED GtkAdjustment *adjustment, gpointer user_data)
|
|
{
|
|
gtk_widget_queue_draw(GTK_WIDGET(user_data));
|
|
}
|
|
|
|
static gboolean
|
|
replace_adjustment(
|
|
FivBrowser *self, GtkAdjustment **adjustment, GtkAdjustment *replacement)
|
|
{
|
|
if (*adjustment == replacement)
|
|
return FALSE;
|
|
|
|
if (*adjustment) {
|
|
g_signal_handlers_disconnect_by_func(
|
|
*adjustment, on_adjustment_value_changed, self);
|
|
g_clear_object(adjustment);
|
|
}
|
|
if (replacement) {
|
|
*adjustment = g_object_ref(replacement);
|
|
g_signal_connect(*adjustment, "value-changed",
|
|
G_CALLBACK(on_adjustment_value_changed), self);
|
|
// TODO(p): We should set it up, as it is done in relayout().
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
static void
|
|
fiv_browser_finalize(GObject *gobject)
|
|
{
|
|
FivBrowser *self = FIV_BROWSER(gobject);
|
|
thumbnailers_abort(self);
|
|
g_array_free(self->entries, TRUE);
|
|
g_array_free(self->layouted_rows, TRUE);
|
|
if (self->model) {
|
|
g_signal_handlers_disconnect_by_data(self->model, self);
|
|
g_clear_object(&self->model);
|
|
}
|
|
|
|
g_hash_table_destroy(self->thumbnail_cache);
|
|
|
|
cairo_pattern_destroy(self->glow_padded);
|
|
cairo_pattern_destroy(self->glow);
|
|
g_clear_object(&self->pointer);
|
|
|
|
replace_adjustment(self, &self->hadjustment, NULL);
|
|
replace_adjustment(self, &self->vadjustment, NULL);
|
|
|
|
G_OBJECT_CLASS(fiv_browser_parent_class)->finalize(gobject);
|
|
}
|
|
|
|
static void
|
|
fiv_browser_get_property(
|
|
GObject *object, guint property_id, GValue *value, GParamSpec *pspec)
|
|
{
|
|
FivBrowser *self = FIV_BROWSER(object);
|
|
switch (property_id) {
|
|
case PROP_THUMBNAIL_SIZE:
|
|
g_value_set_enum(value, self->item_size);
|
|
break;
|
|
case PROP_HADJUSTMENT:
|
|
g_value_set_object(value, self->hadjustment);
|
|
break;
|
|
case PROP_VADJUSTMENT:
|
|
g_value_set_object(value, self->vadjustment);
|
|
break;
|
|
case PROP_HSCROLL_POLICY:
|
|
g_value_set_enum(value, self->hscroll_policy);
|
|
break;
|
|
case PROP_VSCROLL_POLICY:
|
|
g_value_set_enum(value, self->vscroll_policy);
|
|
break;
|
|
default:
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID(object, property_id, pspec);
|
|
}
|
|
}
|
|
|
|
static void
|
|
set_item_size(FivBrowser *self, FivThumbnailSize size)
|
|
{
|
|
if (size < FIV_THUMBNAIL_SIZE_MIN || size > FIV_THUMBNAIL_SIZE_MAX)
|
|
return;
|
|
|
|
if (size != self->item_size) {
|
|
self->item_size = size;
|
|
self->item_height = fiv_thumbnail_sizes[self->item_size].size;
|
|
|
|
g_hash_table_remove_all(self->thumbnail_cache);
|
|
reload_thumbnails(self);
|
|
thumbnailers_start(self);
|
|
|
|
g_object_notify_by_pspec(
|
|
G_OBJECT(self), browser_properties[PROP_THUMBNAIL_SIZE]);
|
|
}
|
|
}
|
|
|
|
static void
|
|
fiv_browser_set_property(
|
|
GObject *object, guint property_id, const GValue *value, GParamSpec *pspec)
|
|
{
|
|
FivBrowser *self = FIV_BROWSER(object);
|
|
switch (property_id) {
|
|
case PROP_THUMBNAIL_SIZE:
|
|
set_item_size(self, g_value_get_enum(value));
|
|
break;
|
|
case PROP_HADJUSTMENT:
|
|
if (replace_adjustment(
|
|
self, &self->hadjustment, g_value_get_object(value)))
|
|
g_object_notify_by_pspec(object, pspec);
|
|
break;
|
|
case PROP_VADJUSTMENT:
|
|
if (replace_adjustment(
|
|
self, &self->vadjustment, g_value_get_object(value)))
|
|
g_object_notify_by_pspec(object, pspec);
|
|
break;
|
|
case PROP_HSCROLL_POLICY:
|
|
if ((gint) self->hscroll_policy != g_value_get_enum(value)) {
|
|
self->hscroll_policy = g_value_get_enum(value);
|
|
gtk_widget_queue_resize(GTK_WIDGET(self));
|
|
g_object_notify_by_pspec(object, pspec);
|
|
}
|
|
break;
|
|
case PROP_VSCROLL_POLICY:
|
|
if ((gint) self->vscroll_policy != g_value_get_enum(value)) {
|
|
self->vscroll_policy = g_value_get_enum(value);
|
|
gtk_widget_queue_resize(GTK_WIDGET(self));
|
|
g_object_notify_by_pspec(object, pspec);
|
|
}
|
|
break;
|
|
default:
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID(object, property_id, pspec);
|
|
}
|
|
}
|
|
|
|
static GtkSizeRequestMode
|
|
fiv_browser_get_request_mode(G_GNUC_UNUSED GtkWidget *widget)
|
|
{
|
|
return GTK_SIZE_REQUEST_HEIGHT_FOR_WIDTH;
|
|
}
|
|
|
|
static void
|
|
fiv_browser_get_preferred_width(GtkWidget *widget, gint *minimum, gint *natural)
|
|
{
|
|
FivBrowser *self = FIV_BROWSER(widget);
|
|
GtkStyleContext *style = gtk_widget_get_style_context(widget);
|
|
|
|
GtkBorder padding = {};
|
|
gtk_style_context_get_padding(style, GTK_STATE_FLAG_NORMAL, &padding);
|
|
|
|
// This should ideally reflect thumbnails, but we're in a GtkScrolledWindow,
|
|
// making this rather inconsequential.
|
|
int fluff = padding.left + 2 * self->item_border_x + padding.right;
|
|
*minimum = fluff + self->item_height /* Icons are rectangular. */;
|
|
*natural = fluff + FIV_THUMBNAIL_WIDE_COEFFICIENT * self->item_height;
|
|
}
|
|
|
|
static void
|
|
fiv_browser_get_preferred_height_for_width(
|
|
GtkWidget *widget, gint width, gint *minimum, gint *natural)
|
|
{
|
|
// XXX: This is rather ugly, the caller is only asking.
|
|
*minimum = *natural = relayout(FIV_BROWSER(widget), width);
|
|
}
|
|
|
|
static void
|
|
fiv_browser_realize(GtkWidget *widget)
|
|
{
|
|
GtkAllocation allocation;
|
|
gtk_widget_get_allocation(widget, &allocation);
|
|
|
|
GdkWindowAttr attributes = {
|
|
.window_type = GDK_WINDOW_CHILD,
|
|
.x = allocation.x,
|
|
.y = allocation.y,
|
|
.width = allocation.width,
|
|
.height = allocation.height,
|
|
|
|
// Input-only would presumably also work (as in GtkPathBar, e.g.),
|
|
// but it merely seems to involve more work.
|
|
.wclass = GDK_INPUT_OUTPUT,
|
|
|
|
.visual = gtk_widget_get_visual(widget),
|
|
.event_mask = gtk_widget_get_events(widget) | GDK_POINTER_MOTION_MASK |
|
|
GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | GDK_SCROLL_MASK |
|
|
GDK_KEY_PRESS_MASK,
|
|
};
|
|
|
|
// On Wayland, touchpad scrolling doesn't emulate the scroll wheel,
|
|
// making GDK_SMOOTH_SCROLL_MASK necessary for our GtkScrolledWindow.
|
|
// On X11 and Windows, this merely makes touchpad scrolling smoother.
|
|
//
|
|
// Note that Apple Magic Mouse's touchpad also sends out smooth scrolling
|
|
// events, and is indistinguishable from a mouse wheel (GDK_SOURCE_MOUSE,
|
|
// sends LIBINPUT_EVENT_POINTER_SCROLL_WHEEL). Yet, curiously,
|
|
// something in the stack on Wayland makes scrolling events discrete.
|
|
#ifdef GDK_WINDOWING_X11
|
|
// XXX: On X11 (at least, not on Wayland or Windows), the first scroll wheel
|
|
// event only produces a smooth stop event. Not our bug, yet annoying.
|
|
// We might make smooth scrolling support optional.
|
|
if (!GDK_IS_X11_WINDOW(gtk_widget_get_parent_window(widget)))
|
|
#endif // GDK_WINDOWING_X11
|
|
attributes.event_mask |= GDK_SMOOTH_SCROLL_MASK;
|
|
|
|
// We need this window to receive input events at all.
|
|
// TODO(p): See if input events bubble up to parents.
|
|
GdkWindow *window = gdk_window_new(gtk_widget_get_parent_window(widget),
|
|
&attributes, GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL);
|
|
gtk_widget_register_window(widget, window);
|
|
gtk_widget_set_window(widget, window);
|
|
gtk_widget_set_realized(widget, TRUE);
|
|
|
|
FivBrowser *self = FIV_BROWSER(widget);
|
|
g_clear_object(&self->pointer);
|
|
self->pointer =
|
|
gdk_cursor_new_from_name(gdk_window_get_display(window), "pointer");
|
|
}
|
|
|
|
static void
|
|
fiv_browser_size_allocate(GtkWidget *widget, GtkAllocation *allocation)
|
|
{
|
|
FivBrowser *self = FIV_BROWSER(widget);
|
|
GTK_WIDGET_CLASS(fiv_browser_parent_class)
|
|
->size_allocate(widget, allocation);
|
|
|
|
relayout(FIV_BROWSER(widget), allocation->width);
|
|
|
|
// Avoid fresh blank space.
|
|
if (self->hadjustment) {
|
|
gtk_adjustment_set_value(
|
|
self->hadjustment, gtk_adjustment_get_value(self->hadjustment));
|
|
}
|
|
if (self->vadjustment) {
|
|
gtk_adjustment_set_value(
|
|
self->vadjustment, gtk_adjustment_get_value(self->vadjustment));
|
|
}
|
|
}
|
|
|
|
static gboolean
|
|
fiv_browser_draw(GtkWidget *widget, cairo_t *cr)
|
|
{
|
|
FivBrowser *self = FIV_BROWSER(widget);
|
|
if (!gtk_cairo_should_draw_window(cr, gtk_widget_get_window(widget)))
|
|
return TRUE;
|
|
|
|
GtkAllocation allocation;
|
|
gtk_widget_get_allocation(widget, &allocation);
|
|
gtk_render_background(gtk_widget_get_style_context(widget), cr, 0, 0,
|
|
allocation.width, allocation.height);
|
|
|
|
if (self->hadjustment)
|
|
cairo_translate(
|
|
cr, -round(gtk_adjustment_get_value(self->hadjustment)), 0);
|
|
if (self->vadjustment)
|
|
cairo_translate(
|
|
cr, 0, -round(gtk_adjustment_get_value(self->vadjustment)));
|
|
|
|
GdkRectangle clip = {};
|
|
gboolean have_clip = gdk_cairo_get_clip_rectangle(cr, &clip);
|
|
|
|
for (guint i = 0; i < self->layouted_rows->len; i++) {
|
|
const Row *row = &g_array_index(self->layouted_rows, Row, i);
|
|
GdkRectangle extents = {
|
|
.x = 0,
|
|
.y = row->y_offset - self->item_border_y,
|
|
.width = allocation.width,
|
|
.height = self->item_height + 2 * self->item_border_y,
|
|
};
|
|
if (!have_clip || gdk_rectangle_intersect(&clip, &extents, NULL))
|
|
draw_row(self, cr, row);
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
open_entry(GtkWidget *self, const Entry *entry, gboolean new_window)
|
|
{
|
|
GFile *location = g_file_new_for_uri(entry->uri);
|
|
g_signal_emit(self, browser_signals[ITEM_ACTIVATED], 0, location,
|
|
new_window ? GTK_PLACES_OPEN_NEW_WINDOW : GTK_PLACES_OPEN_NORMAL);
|
|
g_object_unref(location);
|
|
return TRUE;
|
|
}
|
|
|
|
static void
|
|
show_context_menu(GtkWidget *widget, GFile *file)
|
|
{
|
|
gtk_menu_popup_at_pointer(fiv_context_menu_new(widget, file), NULL);
|
|
}
|
|
|
|
static void
|
|
abort_button_tracking(FivBrowser *self)
|
|
{
|
|
self->tracked_button = 0;
|
|
self->drag_begin_x = self->drag_begin_y = -1;
|
|
}
|
|
|
|
static gboolean
|
|
fiv_browser_button_press_event(GtkWidget *widget, GdkEventButton *event)
|
|
{
|
|
FivBrowser *self = FIV_BROWSER(widget);
|
|
if (GTK_WIDGET_CLASS(fiv_browser_parent_class)
|
|
->button_press_event(widget, event))
|
|
return GDK_EVENT_STOP;
|
|
|
|
// Make pressing multiple mouse buttons at once cancel a click.
|
|
if (self->tracked_button) {
|
|
abort_button_tracking(self);
|
|
return GDK_EVENT_STOP;
|
|
}
|
|
if (event->type != GDK_BUTTON_PRESS)
|
|
return GDK_EVENT_PROPAGATE;
|
|
|
|
guint state = event->state & gtk_accelerator_get_default_mod_mask();
|
|
if (event->button == GDK_BUTTON_PRIMARY && state == 0 &&
|
|
gtk_widget_get_focus_on_click(widget))
|
|
gtk_widget_grab_focus(widget);
|
|
|
|
// In accordance with Nautilus, Thunar, and the mildly confusing
|
|
// Apple Human Interface Guidelines, but not with the ugly Windows User
|
|
// Experience Interaction Guidelines, open the context menu on button press.
|
|
// (Originally our own behaviour, but the GDK3 function also does this.)
|
|
gboolean triggers_menu =
|
|
gdk_event_triggers_context_menu((const GdkEvent *) event);
|
|
|
|
const Entry *entry = entry_at(self, event->x, event->y);
|
|
if (!entry) {
|
|
if (triggers_menu)
|
|
show_context_menu(widget, fiv_io_model_get_location(self->model));
|
|
else if (state || event->button != GDK_BUTTON_PRIMARY)
|
|
return GDK_EVENT_PROPAGATE;
|
|
|
|
if (self->selected) {
|
|
self->selected = NULL;
|
|
gtk_widget_queue_draw(widget);
|
|
}
|
|
return GDK_EVENT_STOP;
|
|
}
|
|
|
|
if (entry && triggers_menu) {
|
|
self->selected = entry;
|
|
gtk_widget_queue_draw(widget);
|
|
|
|
// On X11, after closing the menu, the pointer otherwise remains,
|
|
// no matter what its new location is.
|
|
gdk_window_set_cursor(gtk_widget_get_window(widget), NULL);
|
|
|
|
GFile *file = g_file_new_for_uri(entry->uri);
|
|
show_context_menu(widget, file);
|
|
g_object_unref(file);
|
|
return GDK_EVENT_STOP;
|
|
}
|
|
|
|
// gtk_drag_source_set() would span the whole widget area, we'd have to
|
|
// un/set it as needed, in particular to handle empty space.
|
|
// It might be a good idea to use GtkGestureDrag instead.
|
|
if (event->button == GDK_BUTTON_PRIMARY ||
|
|
event->button == GDK_BUTTON_MIDDLE) {
|
|
self->tracked_button = event->button;
|
|
self->drag_begin_x = event->x;
|
|
self->drag_begin_y = event->y;
|
|
return GDK_EVENT_STOP;
|
|
}
|
|
return GDK_EVENT_PROPAGATE;
|
|
}
|
|
|
|
static gboolean
|
|
fiv_browser_button_release_event(GtkWidget *widget, GdkEventButton *event)
|
|
{
|
|
FivBrowser *self = FIV_BROWSER(widget);
|
|
if (GTK_WIDGET_CLASS(fiv_browser_parent_class)
|
|
->button_release_event(widget, event))
|
|
return GDK_EVENT_STOP;
|
|
if (event->button != self->tracked_button)
|
|
return GDK_EVENT_PROPAGATE;
|
|
|
|
// Middle clicks should only work on the starting entry.
|
|
const Entry *entry = entry_at(self, self->drag_begin_x, self->drag_begin_y);
|
|
abort_button_tracking(self);
|
|
if (!entry || entry != entry_at(self, event->x, event->y))
|
|
return GDK_EVENT_PROPAGATE;
|
|
|
|
guint state = event->state & gtk_accelerator_get_default_mod_mask();
|
|
if ((event->button == GDK_BUTTON_PRIMARY && state == 0))
|
|
return open_entry(widget, entry, FALSE);
|
|
if ((event->button == GDK_BUTTON_PRIMARY && state == GDK_CONTROL_MASK) ||
|
|
(event->button == GDK_BUTTON_MIDDLE && state == 0))
|
|
return open_entry(widget, entry, TRUE);
|
|
return GDK_EVENT_PROPAGATE;
|
|
}
|
|
|
|
static gboolean
|
|
fiv_browser_motion_notify_event(GtkWidget *widget, GdkEventMotion *event)
|
|
{
|
|
FivBrowser *self = FIV_BROWSER(widget);
|
|
if (GTK_WIDGET_CLASS(fiv_browser_parent_class)
|
|
->motion_notify_event(widget, event))
|
|
return GDK_EVENT_STOP;
|
|
|
|
// Touch screen dragging is how you scroll the parent GtkScrolledWindow,
|
|
// don't steal that gesture.
|
|
//
|
|
// While we could allow dragging items that have been selected,
|
|
// it's currently impossible to select on touch screens without opening,
|
|
// and this behaviour/distinction seems unintuitive/surprising.
|
|
guint state = event->state & gtk_accelerator_get_default_mod_mask();
|
|
if (state != 0 || self->tracked_button != GDK_BUTTON_PRIMARY ||
|
|
!gtk_drag_check_threshold(widget, self->drag_begin_x,
|
|
self->drag_begin_y, event->x, event->y) ||
|
|
gdk_device_get_source(gdk_event_get_source_device(
|
|
(GdkEvent *) event)) == GDK_SOURCE_TOUCHSCREEN) {
|
|
const Entry *entry = entry_at(self, event->x, event->y);
|
|
GdkWindow *window = gtk_widget_get_window(widget);
|
|
gdk_window_set_cursor(window, entry ? self->pointer : NULL);
|
|
return GDK_EVENT_PROPAGATE;
|
|
}
|
|
|
|
// The "correct" behaviour is to set the selection on a left mouse button
|
|
// press immediately, but that is regarded as visual noise.
|
|
const Entry *entry = entry_at(self, self->drag_begin_x, self->drag_begin_y);
|
|
abort_button_tracking(self);
|
|
if (!entry)
|
|
return GDK_EVENT_STOP;
|
|
|
|
self->selected = entry;
|
|
gtk_widget_queue_draw(widget);
|
|
|
|
GtkTargetList *target_list = gtk_target_list_new(NULL, 0);
|
|
gtk_target_list_add_uri_targets(target_list, 0);
|
|
GdkDragAction actions = GDK_ACTION_COPY | GDK_ACTION_MOVE |
|
|
GDK_ACTION_LINK | GDK_ACTION_ASK;
|
|
gtk_drag_begin_with_coordinates(widget, target_list, actions,
|
|
self->tracked_button, (GdkEvent *) event, event->x, event->y);
|
|
gtk_target_list_unref(target_list);
|
|
return GDK_EVENT_STOP;
|
|
}
|
|
|
|
static gboolean
|
|
fiv_browser_scroll_event(GtkWidget *widget, GdkEventScroll *event)
|
|
{
|
|
FivBrowser *self = FIV_BROWSER(widget);
|
|
abort_button_tracking(self);
|
|
if ((event->state & gtk_accelerator_get_default_mod_mask()) !=
|
|
GDK_CONTROL_MASK)
|
|
return GDK_EVENT_PROPAGATE;
|
|
|
|
static double delta = 0;
|
|
switch (event->direction) {
|
|
case GDK_SCROLL_UP:
|
|
set_item_size(self, self->item_size + 1);
|
|
return GDK_EVENT_STOP;
|
|
case GDK_SCROLL_DOWN:
|
|
set_item_size(self, self->item_size - 1);
|
|
return GDK_EVENT_STOP;
|
|
case GDK_SCROLL_SMOOTH:
|
|
// On GDK/Wayland, the mouse wheel will typically create 1.5 deltas,
|
|
// after dividing a 15 degree click angle from libinput by 10.
|
|
// (Noticed on Arch + Sway, cannot reproduce on Ubuntu 22.04.)
|
|
// On X11, as libinput(4) indicates, the delta will always be 1.0.
|
|
if ((delta += event->delta_y) <= -1)
|
|
set_item_size(self, self->item_size + 1);
|
|
else if (delta >= +1)
|
|
set_item_size(self, self->item_size - 1);
|
|
else if (!event->is_stop)
|
|
return GDK_EVENT_STOP;
|
|
|
|
delta = 0;
|
|
return GDK_EVENT_STOP;
|
|
default:
|
|
// Left/right are good to steal from GtkScrolledWindow for consistency.
|
|
return GDK_EVENT_STOP;
|
|
}
|
|
}
|
|
|
|
static void
|
|
fiv_browser_drag_begin(GtkWidget *widget, GdkDragContext *context)
|
|
{
|
|
FivBrowser *self = FIV_BROWSER(widget);
|
|
if (self->selected) {
|
|
// There doesn't seem to be a size limit.
|
|
gtk_drag_set_icon_surface(context, self->selected->thumbnail);
|
|
}
|
|
}
|
|
|
|
static void
|
|
fiv_browser_drag_data_get(GtkWidget *widget,
|
|
G_GNUC_UNUSED GdkDragContext *context, GtkSelectionData *data,
|
|
G_GNUC_UNUSED guint info, G_GNUC_UNUSED guint time)
|
|
{
|
|
FivBrowser *self = FIV_BROWSER(widget);
|
|
if (self->selected) {
|
|
(void) gtk_selection_data_set_uris(
|
|
data, (gchar *[]){self->selected->uri, NULL});
|
|
}
|
|
}
|
|
|
|
static void
|
|
select_closest(FivBrowser *self, const Row *row, int target)
|
|
{
|
|
int closest = G_MAXINT;
|
|
for (guint i = 0; i < row->len; i++) {
|
|
GdkRectangle extents = item_extents(self, row->items + i, row);
|
|
int distance = ABS(extents.x + extents.width / 2 - target);
|
|
if (distance > closest)
|
|
break;
|
|
self->selected = row->items[i].entry;
|
|
closest = distance;
|
|
}
|
|
}
|
|
|
|
static void
|
|
scroll_to_row(FivBrowser *self, const Row *row)
|
|
{
|
|
if (!self->vadjustment)
|
|
return;
|
|
|
|
double y1 = gtk_adjustment_get_value(self->vadjustment);
|
|
double ph = gtk_adjustment_get_page_size(self->vadjustment);
|
|
if (row->y_offset < y1) {
|
|
gtk_adjustment_set_value(
|
|
self->vadjustment, row->y_offset - self->item_border_y);
|
|
} else if (row->y_offset + self->item_height > y1 + ph) {
|
|
gtk_adjustment_set_value(self->vadjustment,
|
|
row->y_offset - ph + self->item_height + self->item_border_y);
|
|
}
|
|
}
|
|
|
|
static void
|
|
move_selection(FivBrowser *self, GtkDirectionType dir)
|
|
{
|
|
GtkWidget *widget = GTK_WIDGET(self);
|
|
if (!self->layouted_rows->len)
|
|
return;
|
|
|
|
const Row *selected_row = NULL;
|
|
if (!self->selected) {
|
|
switch (dir) {
|
|
case GTK_DIR_RIGHT:
|
|
case GTK_DIR_DOWN:
|
|
selected_row = &g_array_index(self->layouted_rows, Row, 0);
|
|
self->selected = selected_row->items->entry;
|
|
goto adjust;
|
|
case GTK_DIR_LEFT:
|
|
case GTK_DIR_UP:
|
|
selected_row = &g_array_index(
|
|
self->layouted_rows, Row, self->layouted_rows->len - 1);
|
|
self->selected = selected_row->items[selected_row->len - 1].entry;
|
|
goto adjust;
|
|
default:
|
|
g_assert_not_reached();
|
|
}
|
|
}
|
|
|
|
gsize x = 0, y = 0;
|
|
int target_offset = 0;
|
|
for (y = 0; y < self->layouted_rows->len; y++) {
|
|
const Row *row = &g_array_index(self->layouted_rows, Row, y);
|
|
for (x = 0; x < row->len; x++) {
|
|
const Item *item = row->items + x;
|
|
if (item->entry == self->selected) {
|
|
GdkRectangle extents = item_extents(self, item, row);
|
|
target_offset = extents.x + extents.width / 2;
|
|
goto found;
|
|
}
|
|
}
|
|
}
|
|
found:
|
|
g_return_if_fail(y < self->layouted_rows->len);
|
|
selected_row = &g_array_index(self->layouted_rows, Row, y);
|
|
|
|
switch (dir) {
|
|
case GTK_DIR_LEFT:
|
|
if (x > 0) {
|
|
self->selected = selected_row->items[--x].entry;
|
|
} else if (y-- > 0) {
|
|
selected_row = &g_array_index(self->layouted_rows, Row, y);
|
|
self->selected = selected_row->items[selected_row->len - 1].entry;
|
|
}
|
|
break;
|
|
case GTK_DIR_RIGHT:
|
|
if (++x < selected_row->len) {
|
|
self->selected = selected_row->items[x].entry;
|
|
} else if (++y < self->layouted_rows->len) {
|
|
selected_row = &g_array_index(self->layouted_rows, Row, y);
|
|
self->selected = selected_row->items[0].entry;
|
|
}
|
|
break;
|
|
case GTK_DIR_UP:
|
|
if (y-- > 0) {
|
|
selected_row = &g_array_index(self->layouted_rows, Row, y);
|
|
select_closest(self, selected_row, target_offset);
|
|
}
|
|
break;
|
|
case GTK_DIR_DOWN:
|
|
if (++y < self->layouted_rows->len) {
|
|
selected_row = &g_array_index(self->layouted_rows, Row, y);
|
|
select_closest(self, selected_row, target_offset);
|
|
}
|
|
break;
|
|
default:
|
|
g_assert_not_reached();
|
|
}
|
|
|
|
adjust:
|
|
// TODO(p): We should also do it horizontally, although we don't use it.
|
|
scroll_to_row(self, selected_row);
|
|
gtk_widget_queue_draw(widget);
|
|
}
|
|
|
|
static void
|
|
move_selection_home(FivBrowser *self)
|
|
{
|
|
if (self->layouted_rows->len) {
|
|
const Row *row = &g_array_index(self->layouted_rows, Row, 0);
|
|
self->selected = row->items[0].entry;
|
|
scroll_to_row(self, row);
|
|
gtk_widget_queue_draw(GTK_WIDGET(self));
|
|
}
|
|
}
|
|
|
|
static void
|
|
move_selection_end(FivBrowser *self)
|
|
{
|
|
if (self->layouted_rows->len) {
|
|
const Row *row = &g_array_index(
|
|
self->layouted_rows, Row, self->layouted_rows->len - 1);
|
|
self->selected = row->items[row->len - 1].entry;
|
|
scroll_to_row(self, row);
|
|
gtk_widget_queue_draw(GTK_WIDGET(self));
|
|
}
|
|
}
|
|
|
|
static gboolean
|
|
fiv_browser_key_press_event(GtkWidget *widget, GdkEventKey *event)
|
|
{
|
|
FivBrowser *self = FIV_BROWSER(widget);
|
|
switch ((event->state & gtk_accelerator_get_default_mod_mask())) {
|
|
case 0:
|
|
switch (event->keyval) {
|
|
case GDK_KEY_Return:
|
|
if (self->selected)
|
|
return open_entry(widget, self->selected, FALSE);
|
|
return GDK_EVENT_STOP;
|
|
case GDK_KEY_Left:
|
|
move_selection(self, GTK_DIR_LEFT);
|
|
return GDK_EVENT_STOP;
|
|
case GDK_KEY_Right:
|
|
move_selection(self, GTK_DIR_RIGHT);
|
|
return GDK_EVENT_STOP;
|
|
case GDK_KEY_Up:
|
|
move_selection(self, GTK_DIR_UP);
|
|
return GDK_EVENT_STOP;
|
|
case GDK_KEY_Down:
|
|
move_selection(self, GTK_DIR_DOWN);
|
|
return GDK_EVENT_STOP;
|
|
case GDK_KEY_Home:
|
|
move_selection_home(self);
|
|
return GDK_EVENT_STOP;
|
|
case GDK_KEY_End:
|
|
move_selection_end(self);
|
|
return GDK_EVENT_STOP;
|
|
}
|
|
break;
|
|
case GDK_MOD1_MASK:
|
|
switch (event->keyval) {
|
|
case GDK_KEY_Return:
|
|
if (self->selected) {
|
|
GtkWindow *window = GTK_WINDOW(gtk_widget_get_toplevel(widget));
|
|
fiv_context_menu_information(window, self->selected->uri);
|
|
}
|
|
return GDK_EVENT_STOP;
|
|
}
|
|
break;
|
|
case GDK_CONTROL_MASK:
|
|
case GDK_CONTROL_MASK | GDK_SHIFT_MASK:
|
|
switch (event->keyval) {
|
|
case GDK_KEY_plus:
|
|
set_item_size(self, self->item_size + 1);
|
|
return GDK_EVENT_STOP;
|
|
case GDK_KEY_minus:
|
|
set_item_size(self, self->item_size - 1);
|
|
return GDK_EVENT_STOP;
|
|
}
|
|
}
|
|
|
|
return GTK_WIDGET_CLASS(fiv_browser_parent_class)
|
|
->key_press_event(widget, event);
|
|
}
|
|
|
|
static gboolean
|
|
fiv_browser_query_tooltip(GtkWidget *widget, gint x, gint y,
|
|
G_GNUC_UNUSED gboolean keyboard_tooltip, GtkTooltip *tooltip)
|
|
{
|
|
FivBrowser *self = FIV_BROWSER(widget);
|
|
const Entry *entry = entry_at(self, x, y);
|
|
if (!entry)
|
|
return FALSE;
|
|
|
|
GFile *file = g_file_new_for_uri(entry->uri);
|
|
GFileInfo *info = g_file_query_info(file,
|
|
G_FILE_ATTRIBUTE_STANDARD_NAME
|
|
"," G_FILE_ATTRIBUTE_STANDARD_DISPLAY_NAME,
|
|
G_FILE_QUERY_INFO_NONE, NULL, NULL);
|
|
g_object_unref(file);
|
|
if (!info)
|
|
return FALSE;
|
|
|
|
gtk_tooltip_set_text(tooltip, g_file_info_get_display_name(info));
|
|
g_object_unref(info);
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
fiv_browser_popup_menu(GtkWidget *widget)
|
|
{
|
|
FivBrowser *self = FIV_BROWSER(widget);
|
|
|
|
// This is what Windows Explorer does, and what you want to be done.
|
|
// Although invoking the menu outside the widget is questionable.
|
|
GFile *file = NULL;
|
|
GdkRectangle rect = {};
|
|
if (self->selected) {
|
|
file = g_file_new_for_uri(self->selected->uri);
|
|
rect = entry_rect(self, self->selected);
|
|
rect.x += rect.width / 2;
|
|
rect.y += rect.height / 2;
|
|
} else {
|
|
file = g_object_ref(fiv_io_model_get_location(self->model));
|
|
}
|
|
|
|
gtk_menu_popup_at_rect(fiv_context_menu_new(widget, file),
|
|
gtk_widget_get_window(widget), &rect, GDK_GRAVITY_NORTH_WEST,
|
|
GDK_GRAVITY_NORTH_WEST, NULL);
|
|
g_object_unref(file);
|
|
return TRUE;
|
|
}
|
|
|
|
static void
|
|
on_long_press(GtkGestureLongPress *lp, gdouble x, gdouble y, gpointer user_data)
|
|
{
|
|
FivBrowser *self = FIV_BROWSER(user_data);
|
|
const Entry *entry = entry_at(self, x, y);
|
|
abort_button_tracking(self);
|
|
if (!entry)
|
|
return;
|
|
|
|
GtkGesture *gesture = GTK_GESTURE(lp);
|
|
GdkEventSequence *sequence = gtk_gesture_get_last_updated_sequence(gesture);
|
|
const GdkEvent *event = gtk_gesture_get_last_event(gesture, sequence);
|
|
|
|
GtkWidget *widget = GTK_WIDGET(self);
|
|
GdkWindow *window = gtk_widget_get_window(widget);
|
|
#ifdef GDK_WINDOWING_X11
|
|
// FIXME: Once the finger is lifted, this menu is immediately closed.
|
|
if (GDK_IS_X11_WINDOW(window))
|
|
return;
|
|
#endif // GDK_WINDOWING_X11
|
|
|
|
// It might also be possible to have long-press just select items,
|
|
// and show some kind of toolbar with available actions.
|
|
GFile *file = g_file_new_for_uri(entry->uri);
|
|
gtk_menu_popup_at_rect(fiv_context_menu_new(widget, file), window,
|
|
&(GdkRectangle) {.x = x, .y = y}, GDK_GRAVITY_NORTH_WEST,
|
|
GDK_GRAVITY_NORTH_WEST, event);
|
|
g_object_unref(file);
|
|
|
|
self->selected = entry;
|
|
gtk_widget_queue_draw(widget);
|
|
}
|
|
|
|
static void
|
|
fiv_browser_style_updated(GtkWidget *widget)
|
|
{
|
|
GTK_WIDGET_CLASS(fiv_browser_parent_class)->style_updated(widget);
|
|
|
|
FivBrowser *self = FIV_BROWSER(widget);
|
|
GtkStyleContext *style = gtk_widget_get_style_context(widget);
|
|
GtkBorder border = {}, margin = {};
|
|
|
|
int item_spacing = self->item_spacing;
|
|
gtk_widget_style_get(widget, "spacing", &self->item_spacing, NULL);
|
|
if (item_spacing != self->item_spacing)
|
|
gtk_widget_queue_resize(widget);
|
|
|
|
// Using a pseudo-class, because GTK+ regions are deprecated.
|
|
gtk_style_context_save(style);
|
|
gtk_style_context_add_class(style, "item");
|
|
gtk_style_context_get_margin(style, GTK_STATE_FLAG_NORMAL, &margin);
|
|
gtk_style_context_get_border(style, GTK_STATE_FLAG_NORMAL, &border);
|
|
gtk_style_context_restore(style);
|
|
|
|
self->glow_w = (margin.left + margin.right) / 2;
|
|
self->glow_h = (margin.top + margin.bottom) / 2;
|
|
|
|
// Don't set different opposing sides, it will misrender, your problem.
|
|
// When the style of the class changes, this virtual method isn't invoked,
|
|
// so the update check is mildly pointless.
|
|
int item_border_x = self->glow_w + (border.left + border.right) / 2;
|
|
int item_border_y = self->glow_h + (border.top + border.bottom) / 2;
|
|
if (item_border_x != self->item_border_x ||
|
|
item_border_y != self->item_border_y) {
|
|
self->item_border_x = item_border_x;
|
|
self->item_border_y = item_border_y;
|
|
gtk_widget_queue_resize(widget);
|
|
}
|
|
|
|
if (self->glow_padded)
|
|
cairo_pattern_destroy(self->glow_padded);
|
|
if (self->glow)
|
|
cairo_pattern_destroy(self->glow);
|
|
|
|
cairo_surface_t *corner = cairo_image_surface_create(
|
|
CAIRO_FORMAT_A8, MAX(0, self->glow_w), MAX(0, self->glow_h));
|
|
unsigned char *data = cairo_image_surface_get_data(corner);
|
|
int stride = cairo_image_surface_get_stride(corner);
|
|
|
|
// Smooth out the curve, so that the edge of the glow isn't too jarring.
|
|
const double fade_factor = 1.5;
|
|
|
|
const int x_max = self->glow_w - 1;
|
|
const int y_max = self->glow_h - 1;
|
|
const double x_scale = 1. / MAX(1, x_max);
|
|
const double y_scale = 1. / MAX(1, y_max);
|
|
for (int y = 0; y <= y_max; y++)
|
|
for (int x = 0; x <= x_max; x++) {
|
|
const double xn = x_scale * (x_max - x);
|
|
const double yn = y_scale * (y_max - y);
|
|
double v = MIN(sqrt(xn * xn + yn * yn), 1);
|
|
data[y * stride + x] = round(pow(1 - v, fade_factor) * 255);
|
|
}
|
|
|
|
cairo_surface_mark_dirty(corner);
|
|
self->glow = cairo_pattern_create_for_surface(corner);
|
|
self->glow_padded = cairo_pattern_create_for_surface(corner);
|
|
cairo_pattern_set_extend(self->glow_padded, CAIRO_EXTEND_PAD);
|
|
|
|
#ifdef GDK_WINDOWING_QUARTZ
|
|
// Cairo's Quartz backend doesn't support CAIRO_EXTEND_PAD, work around it.
|
|
if (GDK_IS_QUARTZ_DISPLAY(gtk_widget_get_display(widget))) {
|
|
int max_size = fiv_thumbnail_sizes[FIV_THUMBNAIL_SIZE_MAX].size;
|
|
cairo_surface_t *padded = cairo_image_surface_create(CAIRO_FORMAT_A8,
|
|
cairo_image_surface_get_width(corner) +
|
|
max_size * FIV_THUMBNAIL_WIDE_COEFFICIENT,
|
|
cairo_image_surface_get_height(corner) + max_size);
|
|
cairo_t *cr = cairo_create(padded);
|
|
cairo_set_source(cr, self->glow_padded);
|
|
cairo_paint(cr);
|
|
cairo_destroy(cr);
|
|
|
|
cairo_pattern_destroy(self->glow_padded);
|
|
self->glow_padded = cairo_pattern_create_for_surface(padded);
|
|
cairo_surface_destroy(padded);
|
|
}
|
|
#endif // GDK_WINDOWING_QUARTZ
|
|
|
|
cairo_surface_destroy(corner);
|
|
}
|
|
|
|
static void
|
|
fiv_browser_class_init(FivBrowserClass *klass)
|
|
{
|
|
GObjectClass *object_class = G_OBJECT_CLASS(klass);
|
|
object_class->finalize = fiv_browser_finalize;
|
|
object_class->get_property = fiv_browser_get_property;
|
|
object_class->set_property = fiv_browser_set_property;
|
|
|
|
browser_properties[PROP_THUMBNAIL_SIZE] = g_param_spec_enum(
|
|
"thumbnail-size", "Thumbnail size", "The thumbnail height to use",
|
|
FIV_TYPE_THUMBNAIL_SIZE, FIV_THUMBNAIL_SIZE_NORMAL,
|
|
G_PARAM_READWRITE);
|
|
g_object_class_install_properties(
|
|
object_class, N_PROPERTIES, browser_properties);
|
|
|
|
g_object_class_override_property(
|
|
object_class, PROP_HADJUSTMENT, "hadjustment");
|
|
g_object_class_override_property(
|
|
object_class, PROP_VADJUSTMENT, "vadjustment");
|
|
g_object_class_override_property(
|
|
object_class, PROP_HSCROLL_POLICY, "hscroll-policy");
|
|
g_object_class_override_property(
|
|
object_class, PROP_VSCROLL_POLICY, "vscroll-policy");
|
|
|
|
browser_signals[ITEM_ACTIVATED] = g_signal_new("item-activated",
|
|
G_TYPE_FROM_CLASS(klass), 0, 0, NULL, NULL, NULL,
|
|
G_TYPE_NONE, 2, G_TYPE_FILE, GTK_TYPE_PLACES_OPEN_FLAGS);
|
|
|
|
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS(klass);
|
|
widget_class->get_request_mode = fiv_browser_get_request_mode;
|
|
widget_class->get_preferred_width = fiv_browser_get_preferred_width;
|
|
widget_class->get_preferred_height_for_width =
|
|
fiv_browser_get_preferred_height_for_width;
|
|
widget_class->realize = fiv_browser_realize;
|
|
widget_class->draw = fiv_browser_draw;
|
|
widget_class->size_allocate = fiv_browser_size_allocate;
|
|
widget_class->button_press_event = fiv_browser_button_press_event;
|
|
widget_class->button_release_event = fiv_browser_button_release_event;
|
|
widget_class->motion_notify_event = fiv_browser_motion_notify_event;
|
|
widget_class->drag_begin = fiv_browser_drag_begin;
|
|
widget_class->drag_data_get = fiv_browser_drag_data_get;
|
|
widget_class->scroll_event = fiv_browser_scroll_event;
|
|
widget_class->key_press_event = fiv_browser_key_press_event;
|
|
widget_class->query_tooltip = fiv_browser_query_tooltip;
|
|
widget_class->popup_menu = fiv_browser_popup_menu;
|
|
widget_class->style_updated = fiv_browser_style_updated;
|
|
|
|
// Could be split to also-idiomatic row-spacing/column-spacing properties.
|
|
// The GParamSpec is sinked by this call.
|
|
gtk_widget_class_install_style_property(widget_class,
|
|
g_param_spec_int("spacing", "Spacing", "Space between items",
|
|
0, G_MAXINT, 1, G_PARAM_READWRITE));
|
|
|
|
// TODO(p): Later override "screen_changed", recreate Pango layouts there,
|
|
// if we get to have any, or otherwise reflect DPI changes.
|
|
gtk_widget_class_set_css_name(widget_class, "fiv-browser");
|
|
}
|
|
|
|
static void
|
|
fiv_browser_init(FivBrowser *self)
|
|
{
|
|
gtk_widget_set_can_focus(GTK_WIDGET(self), TRUE);
|
|
gtk_widget_set_has_tooltip(GTK_WIDGET(self), TRUE);
|
|
|
|
self->entries = g_array_new(FALSE, TRUE, sizeof(Entry));
|
|
g_array_set_clear_func(self->entries, (GDestroyNotify) entry_free);
|
|
self->layouted_rows = g_array_new(FALSE, TRUE, sizeof(Row));
|
|
g_array_set_clear_func(self->layouted_rows, (GDestroyNotify) row_free);
|
|
abort_button_tracking(self);
|
|
|
|
self->thumbnail_cache = g_hash_table_new_full(g_str_hash, g_str_equal,
|
|
g_free, (GDestroyNotify) cairo_surface_destroy);
|
|
|
|
self->thumbnailers_len = g_get_num_processors();
|
|
self->thumbnailers =
|
|
g_malloc0_n(self->thumbnailers_len, sizeof *self->thumbnailers);
|
|
for (size_t i = 0; i < self->thumbnailers_len; i++)
|
|
self->thumbnailers[i].self = self;
|
|
|
|
set_item_size(self, FIV_THUMBNAIL_SIZE_NORMAL);
|
|
self->glow_padded = cairo_pattern_create_rgba(0, 0, 0, 0);
|
|
self->glow = cairo_pattern_create_rgba(0, 0, 0, 0);
|
|
|
|
g_signal_connect_swapped(gtk_settings_get_default(),
|
|
"notify::gtk-icon-theme-name", G_CALLBACK(reload_thumbnails), self);
|
|
|
|
GtkGesture *lp = gtk_gesture_long_press_new(GTK_WIDGET(self));
|
|
gtk_gesture_single_set_touch_only(GTK_GESTURE_SINGLE(lp), TRUE);
|
|
gtk_event_controller_set_propagation_phase(
|
|
GTK_EVENT_CONTROLLER(lp), GTK_PHASE_BUBBLE);
|
|
g_object_set_data_full(
|
|
G_OBJECT(self), "fiv-browser-long-press-gesture", lp, g_object_unref);
|
|
|
|
g_signal_connect(lp, "pressed", G_CALLBACK(on_long_press), self);
|
|
}
|
|
|
|
// --- Public interface --------------------------------------------------------
|
|
|
|
// TODO(p): Later implement any arguments of this FivIoModel signal.
|
|
static void
|
|
on_model_files_changed(FivIoModel *model, FivBrowser *self)
|
|
{
|
|
g_return_if_fail(model == self->model);
|
|
|
|
gchar *selected_uri = NULL;
|
|
if (self->selected)
|
|
selected_uri = g_strdup(self->selected->uri);
|
|
|
|
thumbnailers_abort(self);
|
|
g_array_set_size(self->entries, 0);
|
|
g_array_set_size(self->layouted_rows, 0);
|
|
|
|
gsize len = 0;
|
|
const FivIoModelEntry *files = fiv_io_model_get_files(self->model, &len);
|
|
for (gsize i = 0; i < len; i++) {
|
|
g_array_append_val(self->entries, ((Entry) {.thumbnail = NULL,
|
|
.uri = g_strdup(files[i].uri), .mtime_msec = files[i].mtime_msec}));
|
|
}
|
|
|
|
fiv_browser_select(self, selected_uri);
|
|
g_free(selected_uri);
|
|
|
|
reload_thumbnails(self);
|
|
thumbnailers_start(self);
|
|
}
|
|
|
|
GtkWidget *
|
|
fiv_browser_new(FivIoModel *model)
|
|
{
|
|
g_return_val_if_fail(FIV_IS_IO_MODEL(model), NULL);
|
|
|
|
FivBrowser *self = g_object_new(FIV_TYPE_BROWSER, NULL);
|
|
self->model = g_object_ref(model);
|
|
|
|
g_signal_connect(
|
|
self->model, "files-changed", G_CALLBACK(on_model_files_changed), self);
|
|
on_model_files_changed(self->model, self);
|
|
return GTK_WIDGET(self);
|
|
}
|
|
|
|
static void
|
|
scroll_to_selection(FivBrowser *self)
|
|
{
|
|
for (gsize y = 0; y < self->layouted_rows->len; y++) {
|
|
const Row *row = &g_array_index(self->layouted_rows, Row, y);
|
|
for (gsize x = 0; x < row->len; x++) {
|
|
if (row->items[x].entry == self->selected) {
|
|
scroll_to_row(self, row);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
fiv_browser_select(FivBrowser *self, const char *uri)
|
|
{
|
|
g_return_if_fail(FIV_IS_BROWSER(self));
|
|
|
|
self->selected = NULL;
|
|
gtk_widget_queue_draw(GTK_WIDGET(self));
|
|
if (!uri)
|
|
return;
|
|
|
|
for (guint i = 0; i < self->entries->len; i++) {
|
|
const Entry *entry = &g_array_index(self->entries, Entry, i);
|
|
if (!g_strcmp0(entry->uri, uri)) {
|
|
self->selected = entry;
|
|
scroll_to_selection(self);
|
|
break;
|
|
}
|
|
}
|
|
}
|