mirror of
https://github.com/ZoiteChat/zoitechat.git
synced 2026-10-20 03:47:12 +00:00
244 lines
9.3 KiB
C
244 lines
9.3 KiB
C
/* macOS text editing shortcuts. GPL-2.0-or-later; see COPYING. */
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#include "macos-shortcuts.h"
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#include "config.h"
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#include "../common/zoitechat.h"
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#include "xtext.h"
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#include <gdk/gdkkeysyms.h>
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static void (*preferences_callback) (void);
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static void
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open_preferences (GtkWindow *window)
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{
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if (preferences_callback)
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preferences_callback ();
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}
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static void
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minimize_window (GtkWindow *window)
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{
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gtk_window_iconify (window);
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}
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void
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macos_shortcuts_minimize_active (GtkWindow *fallback)
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{
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GList *windows = gtk_window_list_toplevels ();
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GList *item;
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GtkWindow *target = fallback;
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for (item = windows; item; item = item->next)
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{
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if (gtk_window_is_active (GTK_WINDOW (item->data)))
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{
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target = GTK_WINDOW (item->data);
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break;
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}
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}
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if (target)
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minimize_window (target);
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g_list_free (windows);
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}
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static void
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add_movement (GtkBindingSet *bindings, guint keyval, GdkModifierType mod,
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GtkMovementStep step, gint count)
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{
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gtk_binding_entry_add_signal (bindings, keyval, mod, "move-cursor", 3,
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GTK_TYPE_MOVEMENT_STEP, step,
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G_TYPE_INT, count, G_TYPE_BOOLEAN, FALSE);
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gtk_binding_entry_add_signal (bindings, keyval, mod | GDK_SHIFT_MASK,
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"move-cursor", 3, GTK_TYPE_MOVEMENT_STEP, step,
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G_TYPE_INT, count, G_TYPE_BOOLEAN, TRUE);
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}
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static void
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delete_text_view_backwards (GtkTextView *view, gboolean word)
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{
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GtkTextBuffer *buffer = gtk_text_view_get_buffer (view);
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GtkTextIter start, end;
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gboolean editable = gtk_text_view_get_editable (view);
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/* GTK3 leaves GTK_DELETE_DISPLAY_LINE_ENDS unimplemented in TextView.
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* Preserve selection deletion and per-range editability instead of
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* moving the cursor first or deleting protected text unconditionally. */
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if (gtk_text_buffer_get_selection_bounds (buffer, &start, &end))
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gtk_text_buffer_delete_selection (buffer, TRUE, editable);
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else
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{
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gtk_text_buffer_get_iter_at_mark (buffer, &end, gtk_text_buffer_get_insert (buffer));
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start = end;
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if (word)
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gtk_text_iter_backward_word_start (&start);
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else
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gtk_text_view_backward_display_line_start (view, &start);
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gtk_text_buffer_begin_user_action (buffer);
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gtk_text_buffer_delete_interactive (buffer, &start, &end, editable);
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gtk_text_buffer_end_user_action (buffer);
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}
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gtk_text_view_reset_im_context (view);
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gtk_text_view_scroll_mark_onscreen (view, gtk_text_buffer_get_insert (buffer));
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}
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static void
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delete_display_line_start (GtkTextView *view)
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{
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delete_text_view_backwards (view, FALSE);
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}
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static void
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delete_word_start (GtkTextView *view)
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{
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delete_text_view_backwards (view, TRUE);
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}
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void
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macos_shortcuts_init (void (*callback) (void))
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{
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GType types[] = {GTK_TYPE_ENTRY, GTK_TYPE_TEXT_VIEW};
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gpointer window_class;
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GtkBindingSet *window_bindings;
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static gboolean initialized = FALSE;
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guint i;
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preferences_callback = callback;
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if (initialized)
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return;
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initialized = TRUE;
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/* GTK's built-in editing bindings use Control, even with Quartz.
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* Use Command for these three actions on macOS, preserving GTK's
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* selection, password-field and read-only checks. Entry subclasses
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* (including the spell-checking input and search fields) inherit these. */
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for (i = 0; i < G_N_ELEMENTS (types); i++)
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{
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gpointer klass = g_type_class_ref (types[i]);
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GtkBindingSet *bindings = gtk_binding_set_by_class (klass);
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gtk_binding_entry_remove (bindings, GDK_KEY_c, GDK_CONTROL_MASK);
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gtk_binding_entry_remove (bindings, GDK_KEY_x, GDK_CONTROL_MASK);
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gtk_binding_entry_remove (bindings, GDK_KEY_v, GDK_CONTROL_MASK);
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gtk_binding_entry_add_signal (bindings, GDK_KEY_c, GDK_META_MASK,
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"copy-clipboard", 0);
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gtk_binding_entry_add_signal (bindings, GDK_KEY_x, GDK_META_MASK,
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"cut-clipboard", 0);
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gtk_binding_entry_add_signal (bindings, GDK_KEY_v, GDK_META_MASK,
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"paste-clipboard", 0);
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/* Two movements select the whole buffer without changing its text. */
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gtk_binding_entry_add_signal (bindings, GDK_KEY_a, GDK_META_MASK,
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"move-cursor", 3, GTK_TYPE_MOVEMENT_STEP,
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GTK_MOVEMENT_BUFFER_ENDS, G_TYPE_INT, -1,
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G_TYPE_BOOLEAN, FALSE);
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gtk_binding_entry_add_signal (bindings, GDK_KEY_a, GDK_META_MASK,
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"move-cursor", 3, GTK_TYPE_MOVEMENT_STEP,
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GTK_MOVEMENT_BUFFER_ENDS, G_TYPE_INT, 1,
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G_TYPE_BOOLEAN, TRUE);
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add_movement (bindings, GDK_KEY_Left, GDK_META_MASK,
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GTK_MOVEMENT_DISPLAY_LINE_ENDS, -1);
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add_movement (bindings, GDK_KEY_Right, GDK_META_MASK,
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GTK_MOVEMENT_DISPLAY_LINE_ENDS, 1);
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add_movement (bindings, GDK_KEY_Left, GDK_MOD1_MASK,
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GTK_MOVEMENT_WORDS, -1);
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add_movement (bindings, GDK_KEY_Right, GDK_MOD1_MASK,
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GTK_MOVEMENT_WORDS, 1);
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add_movement (bindings, GDK_KEY_Up, GDK_META_MASK,
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GTK_MOVEMENT_BUFFER_ENDS, -1);
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add_movement (bindings, GDK_KEY_Down, GDK_META_MASK,
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GTK_MOVEMENT_BUFFER_ENDS, 1);
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if (types[i] == GTK_TYPE_TEXT_VIEW)
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{
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g_signal_new_class_handler ("zoitechat-macos-delete-word-start", types[i],
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G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
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G_CALLBACK (delete_word_start),
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NULL, NULL, NULL, G_TYPE_NONE, 0);
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g_signal_new_class_handler ("zoitechat-macos-delete-line-start", types[i],
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G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
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G_CALLBACK (delete_display_line_start),
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NULL, NULL, NULL, G_TYPE_NONE, 0);
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gtk_binding_entry_add_signal (bindings, GDK_KEY_BackSpace, GDK_META_MASK,
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"zoitechat-macos-delete-line-start", 0);
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gtk_binding_entry_add_signal (bindings, GDK_KEY_BackSpace, GDK_MOD1_MASK,
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"zoitechat-macos-delete-word-start", 0);
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}
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else
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{
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gtk_binding_entry_add_signal (bindings, GDK_KEY_BackSpace, GDK_MOD1_MASK,
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"delete-from-cursor", 2, GTK_TYPE_DELETE_TYPE,
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GTK_DELETE_WORD_ENDS, G_TYPE_INT, -1);
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gtk_binding_entry_add_signal (bindings, GDK_KEY_BackSpace, GDK_META_MASK,
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"delete-from-cursor", 2, GTK_TYPE_DELETE_TYPE,
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GTK_DELETE_DISPLAY_LINE_ENDS, G_TYPE_INT, -1);
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}
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g_type_class_unref (klass);
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}
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/* Window-level bindings also work in dialogs without a main menu bar.
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* The native menu uses the same actions when Quartz handles the key. */
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window_class = g_type_class_ref (GTK_TYPE_WINDOW);
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window_bindings = gtk_binding_set_by_class (window_class);
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g_signal_new_class_handler ("zoitechat-macos-minimize", GTK_TYPE_WINDOW,
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G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
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G_CALLBACK (minimize_window), NULL, NULL, NULL,
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G_TYPE_NONE, 0);
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g_signal_new_class_handler ("zoitechat-macos-preferences", GTK_TYPE_WINDOW,
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G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
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G_CALLBACK (open_preferences), NULL, NULL, NULL,
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G_TYPE_NONE, 0);
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gtk_binding_entry_add_signal (window_bindings, GDK_KEY_m, GDK_META_MASK,
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"zoitechat-macos-minimize", 0);
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gtk_binding_entry_add_signal (window_bindings, GDK_KEY_comma, GDK_META_MASK,
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"zoitechat-macos-preferences", 0);
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g_type_class_unref (window_class);
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}
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gboolean
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macos_shortcuts_remap_default (guint *keyval, GdkModifierType *mod,
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const char *action, const char *data1,
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const char *data2)
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{
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/* Only exact legacy defaults qualify. Custom actions, parameters and
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* alternate shortcuts must survive loading a configuration unchanged. */
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if (data2 && *data2)
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return FALSE;
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if (*keyval == GDK_KEY_Tab && *mod == GDK_META_MASK &&
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!g_strcmp0 (action, "Complete nick/command") && !g_strcmp0 (data1, "Up"))
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{
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*mod = GDK_CONTROL_MASK;
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return TRUE;
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}
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if ((!data1 || !*data1) && *mod == GDK_MOD1_MASK &&
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((*keyval == GDK_KEY_Left && !g_strcmp0 (action, "Move front tab left")) ||
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(*keyval == GDK_KEY_Right && !g_strcmp0 (action, "Move front tab right"))))
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{
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*mod |= GDK_META_MASK;
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return TRUE;
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}
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if (*keyval == GDK_KEY_m && *mod == GDK_META_MASK &&
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!g_strcmp0 (action, "Menu Shortcut") && !g_strcmp0 (data1, "reset-marker"))
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{
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*keyval = GDK_KEY_R;
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*mod |= GDK_SHIFT_MASK;
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return TRUE;
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}
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return FALSE;
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}
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gboolean
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macos_shortcuts_copy_chat (GtkWidget *entry, GdkEventKey *event, GtkXText *xtext)
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{
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gint start, end;
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GdkModifierType modifiers = event->state &
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(GDK_SHIFT_MASK | GDK_CONTROL_MASK | GDK_MOD1_MASK |
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GDK_META_MASK | GDK_SUPER_MASK | GDK_HYPER_MASK);
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/* XText leaves keyboard focus in the message input. Prefer an input
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* selection; otherwise Command+C copies the selected chat text. Leave
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* Command+Shift+C and all other shortcuts to their existing handlers. */
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if (gdk_keyval_to_lower (event->keyval) != GDK_KEY_c || modifiers != GDK_META_MASK ||
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gtk_editable_get_selection_bounds (GTK_EDITABLE (entry), &start, &end))
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return FALSE;
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gtk_xtext_copy_selection (xtext);
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return TRUE;
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}
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