From d590d1da46843059dfbc71ce2f8aa0d8dba62572 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?P=C5=99emysl=20Eric=20Janouch?= Date: Thu, 4 Aug 2022 00:33:06 +0200 Subject: [PATCH] Add support for copying to clipboard --- fiv-view.c | 31 +++++++++++++++++++++++++++++++ fiv-view.h | 1 + fiv.c | 1 + 3 files changed, 33 insertions(+) diff --git a/fiv-view.c b/fiv-view.c index c276743..9cd84f7 100644 --- a/fiv-view.c +++ b/fiv-view.c @@ -990,6 +990,34 @@ get_toplevel(GtkWidget *widget) return NULL; } +static void +copy(FivView *self) +{ + double fractional_width = 0, fractional_height = 0; + cairo_matrix_t matrix = fiv_io_orientation_apply( + self->frame, self->orientation, &fractional_width, &fractional_height); + int w = ceil(fractional_width), h = ceil(fractional_height); + + // XXX: SVG is rendered pre-scaled. + cairo_surface_t *transformed = + cairo_image_surface_create(CAIRO_FORMAT_ARGB32, w, h); + cairo_t *cr = cairo_create(transformed); + cairo_set_source_surface(cr, self->frame, 0, 0); + cairo_pattern_set_matrix(cairo_get_source(cr), &matrix); + cairo_paint(cr); + cairo_destroy(cr); + + // TODO(p): Use 16-bit PNGs for >8-bit Cairo surfaces: PNG-encode them + // ourselves and fall back to gtk_selection_data_set_pixbuf(). + GdkPixbuf *pixbuf = gdk_pixbuf_get_from_surface(transformed, 0, 0, w, h); + cairo_surface_destroy(transformed); + gtk_clipboard_set_image( + gtk_clipboard_get_for_display( + gtk_widget_get_display(GTK_WIDGET(self)), GDK_SELECTION_CLIPBOARD), + pixbuf); + g_object_unref(pixbuf); +} + static void on_draw_page(G_GNUC_UNUSED GtkPrintOperation *operation, GtkPrintContext *context, G_GNUC_UNUSED int page_nr, FivView *self) @@ -1428,6 +1456,7 @@ fiv_view_class_init(FivViewClass *klass) bind(bs, GDK_KEY_0, primary, FIV_VIEW_COMMAND_ZOOM_1); bind(bs, GDK_KEY_plus, primary, FIV_VIEW_COMMAND_ZOOM_IN); bind(bs, GDK_KEY_minus, primary, FIV_VIEW_COMMAND_ZOOM_OUT); + bind(bs, GDK_KEY_c, primary, FIV_VIEW_COMMAND_COPY); bind(bs, GDK_KEY_p, primary, FIV_VIEW_COMMAND_PRINT); bind(bs, GDK_KEY_r, primary, FIV_VIEW_COMMAND_RELOAD); bind(bs, GDK_KEY_s, primary, FIV_VIEW_COMMAND_SAVE_PAGE); @@ -1672,6 +1701,8 @@ fiv_view_command(FivView *self, FivViewCommand command) G_OBJECT(self), view_properties[PROP_ENHANCE]); swap_enhanced_image(self); + break; case FIV_VIEW_COMMAND_COPY: + copy(self); break; case FIV_VIEW_COMMAND_PRINT: print(self); break; case FIV_VIEW_COMMAND_SAVE_PAGE: diff --git a/fiv-view.h b/fiv-view.h index 7f4e3a3..d43480b 100644 --- a/fiv-view.h +++ b/fiv-view.h @@ -50,6 +50,7 @@ typedef enum _FivViewCommand { XX(FIV_VIEW_COMMAND_TOGGLE_FILTER, "toggle-filter") \ XX(FIV_VIEW_COMMAND_TOGGLE_CHECKERBOARD, "toggle-checkerboard") \ XX(FIV_VIEW_COMMAND_TOGGLE_ENHANCE, "toggle-enhance") \ + XX(FIV_VIEW_COMMAND_COPY, "copy") \ XX(FIV_VIEW_COMMAND_PRINT, "print") \ XX(FIV_VIEW_COMMAND_SAVE_PAGE, "save-page") \ XX(FIV_VIEW_COMMAND_SAVE_FRAME, "save-frame") \ diff --git a/fiv.c b/fiv.c index ecf1d9a..fe3577b 100644 --- a/fiv.c +++ b/fiv.c @@ -175,6 +175,7 @@ static struct key_group help_keys_viewer[] = { {} }}, {"Tools", (struct key[]) { + {"c", "Copy frame to clipboard"}, {"p", "Print..."}, {"s", "Save page as..."}, {"s", "Save frame as..."},