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shortcuts: Support ranges in the display of shortcuts
Repeating Alt-1 to Alt-9 as individual shortcuts looks really boring, so allow compressing such ranges by specifying <Alt>1...9.
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6cf7c03334
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@ -156,15 +156,48 @@ dim_label (const gchar *text)
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return label;
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}
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static void
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display_shortcut (GtkContainer *self,
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guint key,
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GdkModifierType modifier)
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{
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gchar **keys = NULL;
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gint i;
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guint n_mods;
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keys = get_labels (key, modifier, &n_mods);
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for (i = 0; keys[i]; i++)
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{
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GtkWidget *frame;
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GtkWidget *disp;
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if (i > 0)
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gtk_container_add (self, dim_label ("+"));
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frame = gtk_frame_new (NULL);
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gtk_widget_show (frame);
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gtk_container_add (self, frame);
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if (i < n_mods)
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gtk_widget_set_size_request (frame, 50, -1);
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disp = gtk_label_new (keys[i]);
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gtk_widget_show (disp);
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gtk_container_add (GTK_CONTAINER (frame), disp);
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}
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g_strfreev (keys);
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}
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static void
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gtk_shortcut_label_rebuild (GtkShortcutLabel *self)
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{
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gchar **accels = NULL;
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gchar **keys = NULL;
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GdkModifierType modifier = 0;
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GdkModifierType modifier2 = 0;
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guint key = 0;
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guint i, k;
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guint n_mods;
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guint key2 = 0;
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guint k;
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gtk_container_foreach (GTK_CONTAINER (self), (GtkCallback)gtk_widget_destroy, NULL);
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@ -174,37 +207,43 @@ gtk_shortcut_label_rebuild (GtkShortcutLabel *self)
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accels = g_strsplit (self->accelerator, " ", 0);
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for (k = 0; accels[k]; k++)
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{
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gchar *dots;
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dots = strstr (accels[k], "...");
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if (dots)
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{
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dots[0] = '\0';
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gtk_accelerator_parse (dots + 3, &key2, &modifier2);
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if ((key2 == 0) && (modifier2 == 0))
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{
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g_warning ("Failed to parse %s, part of accelerator '%s'", dots + 3, self->accelerator);
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goto out;
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}
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}
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else
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key2 = 0;
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gtk_accelerator_parse (accels[k], &key, &modifier);
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if ((key == 0) && (modifier == 0))
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{
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g_warning ("Failed to parse accelerator '%s'", self->accelerator);
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g_warning ("Failed to parse %s, part of accelerator '%s'", accels[k], self->accelerator);
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goto out;
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}
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if (k > 0)
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gtk_container_add (GTK_CONTAINER (self), dim_label ("/"));
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keys = get_labels (key, modifier, &n_mods);
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for (i = 0; keys[i]; i++)
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{
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GtkWidget *frame;
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GtkWidget *disp;
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display_shortcut (GTK_CONTAINER (self), key, modifier);
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if (i > 0)
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gtk_container_add (GTK_CONTAINER (self), dim_label ("+"));
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if (key2 == 0)
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continue;
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frame = gtk_frame_new (NULL);
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gtk_widget_show (frame);
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gtk_container_add (GTK_CONTAINER (self), frame);
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if (modifier2 == modifier)
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modifier2 = 0;
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if (i < n_mods)
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gtk_widget_set_size_request (frame, 50, -1);
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gtk_container_add (GTK_CONTAINER (self), dim_label ("…"));
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disp = gtk_label_new (keys[i]);
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gtk_widget_show (disp);
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gtk_container_add (GTK_CONTAINER (frame), disp);
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}
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g_strfreev (keys);
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display_shortcut (GTK_CONTAINER (self), key2, modifier2);
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}
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out:
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@ -185,9 +185,14 @@ gtk_shortcuts_shortcut_class_init (GtkShortcutsShortcutClass *klass)
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* The accelerator(s) represented by this object, in the syntax
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* understood by gtk_accelerator_parse(). Multiple accelerators
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* can be specified by separating them with a space, but keep in
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* mind that the available width is limited.
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* mind that the available width is limited. It is also possible
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* to specify ranges of shortcuts, using ... between the keys.
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*
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* Here is an example: <ctrl>? F1
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* Examples:
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*
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* - A single shortcut: <ctrl><alt>delete
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* - Two alternative shortcuts: <shift>a Home
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* - A range: <alt>1...9
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*
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* Note that < and > need to escaped as < and > when used
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* in .ui files.
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