Add an experimental GTK+ UI
It has a potential to stay simpler than the TUI, while having a wider feature set. Not building this toy by default, it needs some time investment.
This commit is contained in:
parent
588b6ef8bb
commit
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GPG Key ID:
A0420B94F92B9493
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@ -179,6 +179,15 @@ add_executable (${PROJECT_NAME}
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${project_sources} ${project_headers} ${project_common_sources})
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${project_sources} ${project_headers} ${project_common_sources})
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target_link_libraries (${PROJECT_NAME} ${project_common_libraries})
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target_link_libraries (${PROJECT_NAME} ${project_common_libraries})
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# Experimental GTK+ frontend, we link it with ncurses but we don't care
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pkg_check_modules (gtk gtk+-3.0)
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if (gtk_FOUND)
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add_executable (sdgtk EXCLUDE_FROM_ALL
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src/sdgtk.c ${project_common_sources})
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target_include_directories (sdgtk PUBLIC ${gtk_INCLUDE_DIRS})
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target_link_libraries (sdgtk ${gtk_LIBRARIES} ${project_common_libraries})
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endif (gtk_FOUND)
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# Tools
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# Tools
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set (tools add-pronunciation query-tool transform)
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set (tools add-pronunciation query-tool transform)
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foreach (tool ${tools})
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foreach (tool ${tools})
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@ -0,0 +1,418 @@
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/*
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* StarDict GTK+ UI
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*
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* Copyright (c) 2020, 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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*/
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#include <gtk/gtk.h>
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#include <glib/gi18n.h>
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#include <locale.h>
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#include "config.h"
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#include "stardict.h"
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#include "utils.h"
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typedef struct dictionary Dictionary;
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struct dictionary
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{
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const gchar *filename; ///< Filename
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StardictDict *dict; ///< Stardict dictionary data
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gchar *name; ///< Name to show
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guint position; ///< Current position
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};
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static struct
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{
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GtkWidget *window; ///< Top-level window
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GtkWidget *notebook; ///< Notebook with tabs
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GtkWidget *entry; ///< Search entry widget
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GtkWidget *grid; ///< Entries container
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gint dictionary; ///< Index of the current dictionary
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Dictionary *dictionaries; ///< All open dictionaries
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gsize dictionaries_len; ///< Total number of dictionaries
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gboolean watch_selection; ///< Following X11 PRIMARY?
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}
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g;
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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static gboolean
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dictionary_load (Dictionary *self, gchar *filename, GError **e)
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{
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self->filename = filename;
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if (!(self->dict = stardict_dict_new (self->filename, e)))
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return FALSE;
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if (!self->name)
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{
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self->name = g_strdup (stardict_info_get_book_name
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(stardict_dict_get_info (self->dict)));
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}
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return TRUE;
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}
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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static gboolean
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init (gchar **filenames, GError **e)
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{
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while (filenames[g.dictionaries_len])
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g.dictionaries_len++;
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g.dictionaries = g_malloc0_n (sizeof *g.dictionaries, g.dictionaries_len);
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for (gsize i = 0; i < g.dictionaries_len; i++)
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{
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Dictionary *dict = &g.dictionaries[i];
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if (!dictionary_load (dict, filenames[i], e))
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return FALSE;
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}
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return TRUE;
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}
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static void
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add_row (StardictIterator *iterator, gint row, gint *height_acc)
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{
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Dictionary *dict = &g.dictionaries[g.dictionary];
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StardictEntry *entry = stardict_iterator_get_entry (iterator);
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g_return_if_fail (entry != NULL);
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StardictEntryField *field = entry->fields->data;
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g_return_if_fail (g_ascii_islower (field->type));
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GtkEntryBuffer *buf = gtk_entry_get_buffer (GTK_ENTRY (g.entry));
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const gchar *input_utf8 = gtk_entry_buffer_get_text (buf);
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g_return_if_fail (input_utf8 != NULL);
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const gchar *word_str = stardict_iterator_get_word (iterator);
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gsize common_prefix = stardict_longest_common_collation_prefix
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(dict->dict, word_str, input_utf8);
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gchar *pre = g_markup_escape_text (word_str, common_prefix),
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*post = g_markup_escape_text (word_str + common_prefix, -1),
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*marked_up = g_strdup_printf ("<u>%s</u>%s", pre, post);
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GtkWidget *word = gtk_label_new (marked_up);
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gtk_label_set_use_markup (GTK_LABEL (word), TRUE);
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gtk_label_set_ellipsize (GTK_LABEL (word), PANGO_ELLIPSIZE_END);
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gtk_label_set_selectable (GTK_LABEL (word), TRUE);
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gtk_label_set_xalign (GTK_LABEL (word), 0);
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gtk_label_set_yalign (GTK_LABEL (word), 0);
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// FIXME: they can't be deselected by just clicking outside of them
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gtk_widget_set_can_focus (word, FALSE);
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g_free (pre);
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g_free (post);
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g_free (marked_up);
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GtkWidget *desc = gtk_label_new (field->data);
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gtk_label_set_ellipsize (GTK_LABEL (desc), PANGO_ELLIPSIZE_END);
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gtk_label_set_selectable (GTK_LABEL (desc), TRUE);
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gtk_label_set_xalign (GTK_LABEL (desc), 0);
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gtk_widget_set_can_focus (desc, FALSE);
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g_object_unref (entry);
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if (iterator->offset % 2 == 0)
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{
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GtkStyleContext *ctx;
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ctx = gtk_widget_get_style_context (word);
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gtk_style_context_add_class (ctx, "odd");
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ctx = gtk_widget_get_style_context (desc);
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gtk_style_context_add_class (ctx, "odd");
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}
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gtk_grid_attach (GTK_GRID (g.grid), word, 0, row, 1, 1);
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gtk_grid_attach (GTK_GRID (g.grid), desc, 1, row, 1, 1);
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gtk_widget_show (word);
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gtk_widget_show (desc);
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gint minimum_word = 0, minimum_desc = 0;
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gtk_widget_get_preferred_height (word, &minimum_word, NULL);
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gtk_widget_get_preferred_height (desc, &minimum_desc, NULL);
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*height_acc += MAX (minimum_word, minimum_desc);
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}
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static void
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reload (GtkWidget *grid)
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{
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Dictionary *dict = &g.dictionaries[g.dictionary];
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GList *children = gtk_container_get_children (GTK_CONTAINER (grid));
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for (GList *iter = children; iter != NULL; iter = g_list_next (iter))
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gtk_widget_destroy (GTK_WIDGET (iter->data));
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g_list_free (children);
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gint window_height = 0;
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gtk_window_get_size (GTK_WINDOW (g.window), NULL, &window_height);
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if (window_height <= 0)
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return;
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StardictIterator *iterator =
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stardict_iterator_new (dict->dict, dict->position);
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gint row = 0, height_acc = 0;
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while (stardict_iterator_is_valid (iterator))
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{
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add_row (iterator, row++, &height_acc);
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if (height_acc >= window_height)
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break;
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stardict_iterator_next (iterator);
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}
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gtk_widget_show_all (grid);
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g_object_unref (iterator);
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}
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static void
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search (Dictionary *dict)
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{
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GtkEntryBuffer *buf = gtk_entry_get_buffer (GTK_ENTRY (g.entry));
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const gchar *input_utf8 = gtk_entry_buffer_get_text (buf);
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StardictIterator *iterator =
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stardict_dict_search (dict->dict, input_utf8, NULL);
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dict->position = stardict_iterator_get_offset (iterator);
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g_object_unref (iterator);
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}
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static void
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on_changed (G_GNUC_UNUSED GtkWidget *widget, G_GNUC_UNUSED gpointer data)
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{
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search (&g.dictionaries[g.dictionary]);
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reload (g.grid);
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}
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static void
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on_selection_received (G_GNUC_UNUSED GtkClipboard *clipboard, const gchar *text,
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G_GNUC_UNUSED gpointer data)
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{
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if (!text)
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return;
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gtk_entry_set_text (GTK_ENTRY (g.entry), text);
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g_signal_emit_by_name (g.entry,
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"move-cursor", GTK_MOVEMENT_BUFFER_ENDS, 1, FALSE);
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}
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static void
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on_selection (GtkClipboard *clipboard, GdkEvent *event,
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G_GNUC_UNUSED gpointer data)
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{
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if (g.watch_selection
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&& event->owner_change.owner != NULL)
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gtk_clipboard_request_text (clipboard, on_selection_received, NULL);
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}
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static void
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on_selection_watch_toggle (GtkCheckMenuItem *item, G_GNUC_UNUSED gpointer data)
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{
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g.watch_selection = gtk_check_menu_item_get_active (item);
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}
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static void
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on_switch_page (G_GNUC_UNUSED GtkWidget *widget, G_GNUC_UNUSED GtkWidget *page,
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guint page_num, G_GNUC_UNUSED gpointer data)
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{
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g.dictionary = page_num;
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search (&g.dictionaries[g.dictionary]);
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reload (g.grid);
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}
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static gboolean
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on_key_press (G_GNUC_UNUSED GtkWidget *widget, GdkEvent *event,
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G_GNUC_UNUSED gpointer data)
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{
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if (event->key.state == GDK_CONTROL_MASK)
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{
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if (event->key.keyval == GDK_KEY_Page_Up)
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{
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gtk_notebook_prev_page (GTK_NOTEBOOK (g.notebook));
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return TRUE;
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}
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if (event->key.keyval == GDK_KEY_Page_Down)
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{
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gtk_notebook_next_page (GTK_NOTEBOOK (g.notebook));
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return TRUE;
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}
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}
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if (event->key.state == GDK_MOD1_MASK)
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{
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if (event->key.keyval >= GDK_KEY_0
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&& event->key.keyval <= GDK_KEY_9)
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{
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gint n = event->key.keyval - GDK_KEY_0;
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gtk_notebook_set_current_page
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(GTK_NOTEBOOK (g.notebook), n ? (n - 1) : 10);
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return TRUE;
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}
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}
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return FALSE;
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}
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static void
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on_destroy (G_GNUC_UNUSED GtkWidget *widget, G_GNUC_UNUSED gpointer data)
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{
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gtk_main_quit ();
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}
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static void
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die_with_dialog (const gchar *message)
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{
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GtkWidget *dialog = gtk_message_dialog_new (NULL, 0,
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GTK_MESSAGE_ERROR, GTK_BUTTONS_CLOSE, "%s", message);
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gtk_dialog_run (GTK_DIALOG (dialog));
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gtk_widget_destroy (dialog);
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exit (EXIT_FAILURE);
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}
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int
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main (int argc, char *argv[])
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{
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if (!setlocale (LC_ALL, ""))
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g_printerr ("%s: %s\n", _("Warning"), _("failed to set the locale"));
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bindtextdomain (GETTEXT_PACKAGE, GETTEXT_DIRNAME);
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bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
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textdomain (GETTEXT_PACKAGE);
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gchar **filenames = NULL;
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GOptionEntry option_entries[] =
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{
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{G_OPTION_REMAINING, 0, 0, G_OPTION_ARG_FILENAME_ARRAY, &filenames,
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NULL, N_("FILE...")},
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{},
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};
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GError *error = NULL;
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gtk_init_with_args (&argc, &argv, N_("- StarDict GTK+ UI"),
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option_entries, GETTEXT_PACKAGE, &error);
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if (error)
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{
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g_warning ("%s", error->message);
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g_error_free (error);
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return 1;
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}
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if (!filenames)
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{
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// TODO: eventually just load all dictionaries from configuration
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die_with_dialog ("No arguments have been passed.");
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}
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if (!init (filenames, &error))
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die_with_dialog (error->message);
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// Some Adwaita stupidity and our own additions
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const char *style = "notebook header tab { padding: 2px 8px; margin: 0; }"
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"grid { border-top: 1px solid rgba(0, 0, 0, 0.2); background: white; }"
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"grid label { padding: 0 5px; "
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"/*border-bottom: 1px solid rgba(0, 0, 0, 0.2);*/ }"
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"grid label.odd { background: rgba(0, 0, 0, 0.05); }";
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GdkScreen *screen = gdk_screen_get_default ();
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GtkCssProvider *provider = gtk_css_provider_new ();
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gtk_css_provider_load_from_data (provider, style, strlen (style), NULL);
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gtk_style_context_add_provider_for_screen (screen,
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GTK_STYLE_PROVIDER (provider), GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
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g.grid = gtk_grid_new ();
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gtk_grid_set_column_homogeneous (GTK_GRID (g.grid), TRUE);
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// FIXME: we'd rather like to trim the contents, not make it scrollable.
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// This just limits the allocation.
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// TODO: probably create a whole new custom widget, everything is text
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// anyway and mostly handled by Pango, including pango_layout_xy_to_index()
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// - I don't know where to get selection colour but inversion works, too
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GtkWidget *scrolled_window = gtk_scrolled_window_new (NULL, NULL);
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gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled_window),
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GTK_POLICY_NEVER, GTK_POLICY_EXTERNAL);
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gtk_widget_set_can_focus (scrolled_window, FALSE);
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||||||
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gtk_container_add (GTK_CONTAINER (scrolled_window), g.grid);
|
||||||
|
|
||||||
|
g.notebook = gtk_notebook_new ();
|
||||||
|
g_signal_connect (g.notebook, "switch-page",
|
||||||
|
G_CALLBACK (on_switch_page), NULL);
|
||||||
|
gtk_notebook_set_scrollable (GTK_NOTEBOOK (g.notebook), TRUE);
|
||||||
|
|
||||||
|
g.watch_selection = TRUE;
|
||||||
|
GtkWidget *item =
|
||||||
|
gtk_check_menu_item_new_with_label (_("Follow selection"));
|
||||||
|
gtk_check_menu_item_set_active
|
||||||
|
(GTK_CHECK_MENU_ITEM (item), g.watch_selection);
|
||||||
|
g_signal_connect (item, "toggled",
|
||||||
|
G_CALLBACK (on_selection_watch_toggle), NULL);
|
||||||
|
|
||||||
|
GtkWidget *menu = gtk_menu_new ();
|
||||||
|
gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
|
||||||
|
gtk_widget_show_all (menu);
|
||||||
|
|
||||||
|
GtkWidget *hamburger = gtk_menu_button_new ();
|
||||||
|
gtk_menu_button_set_direction (GTK_MENU_BUTTON (hamburger), GTK_ARROW_NONE);
|
||||||
|
gtk_menu_button_set_popup (GTK_MENU_BUTTON (hamburger), menu);
|
||||||
|
gtk_button_set_relief (GTK_BUTTON (hamburger), GTK_RELIEF_NONE);
|
||||||
|
gtk_widget_show (hamburger);
|
||||||
|
|
||||||
|
gtk_notebook_set_action_widget
|
||||||
|
(GTK_NOTEBOOK (g.notebook), hamburger, GTK_PACK_END);
|
||||||
|
|
||||||
|
// FIXME: when the clear icon shows, the widget changes in height
|
||||||
|
g.entry = gtk_search_entry_new ();
|
||||||
|
// TODO: attach to the "key-press-event" signal and implement ^W at least,
|
||||||
|
// though ^U is working already! Note that bindings can be done in CSS
|
||||||
|
// as well, if we have any extra specially for the editor
|
||||||
|
g_signal_connect (g.entry, "changed", G_CALLBACK (on_changed), g.grid);
|
||||||
|
gtk_entry_set_has_frame (GTK_ENTRY (g.entry), FALSE);
|
||||||
|
|
||||||
|
// TODO: supposedly attach to "key-press-event" here and react to
|
||||||
|
// PageUp/PageDown and up/down arrow keys... either here or in the Entry
|
||||||
|
g.window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
|
||||||
|
g_signal_connect (g.window, "destroy",
|
||||||
|
G_CALLBACK (on_destroy), NULL);
|
||||||
|
g_signal_connect (g.window, "key-press-event",
|
||||||
|
G_CALLBACK (on_key_press), NULL);
|
||||||
|
GtkWidget *superbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 1);
|
||||||
|
gtk_container_add (GTK_CONTAINER (g.window), superbox);
|
||||||
|
gtk_container_add (GTK_CONTAINER (superbox), g.notebook);
|
||||||
|
gtk_container_add (GTK_CONTAINER (superbox), g.entry);
|
||||||
|
gtk_box_pack_end (GTK_BOX (superbox), scrolled_window, TRUE, TRUE, 0);
|
||||||
|
|
||||||
|
for (gsize i = 0; i < g.dictionaries_len; i++)
|
||||||
|
{
|
||||||
|
Dictionary *dict = &g.dictionaries[i];
|
||||||
|
GtkWidget *dummy = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
|
||||||
|
GtkWidget *label = gtk_label_new (dict->name);
|
||||||
|
gtk_notebook_append_page (GTK_NOTEBOOK (g.notebook), dummy, label);
|
||||||
|
}
|
||||||
|
|
||||||
|
GtkClipboard *clipboard = gtk_clipboard_get (GDK_SELECTION_PRIMARY);
|
||||||
|
g_signal_connect (clipboard, "owner-change",
|
||||||
|
G_CALLBACK (on_selection), NULL);
|
||||||
|
|
||||||
|
// Make sure to fill up the window with entries once we're resized
|
||||||
|
// XXX: this is rather inefficient as we rebuild everything each time
|
||||||
|
g_signal_connect (g.window, "configure-event",
|
||||||
|
G_CALLBACK (on_changed), NULL);
|
||||||
|
g_signal_connect (g.window, "map-event",
|
||||||
|
G_CALLBACK (on_changed), NULL);
|
||||||
|
|
||||||
|
gtk_widget_grab_focus (g.entry);
|
||||||
|
gtk_widget_show_all (g.window);
|
||||||
|
gtk_main ();
|
||||||
|
|
||||||
|
g_strfreev (filenames);
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
Loading…
Reference in New Issue