2 * (SLIK) SimpLIstic sKin functions
4 * Copyright (C) 2008 The Geeqie Team
8 * This software is released under the GNU General Public License (GNU GPL).
9 * Please read the included file COPYING for more information.
10 * This software comes with no warranty of any kind, use at your own risk!
22 #include <sys/types.h>
27 #include <gdk-pixbuf/gdk-pixbuf.h>
30 #include "ui_tabcomp.h"
32 #include "history_list.h"
33 #include "misc.h" /* expand_tilde() */
34 #include "ui_fileops.h"
35 #include "ui_spinner.h"
36 #include "ui_utildlg.h"
38 #include <gdk/gdkkeysyms.h> /* for key values */
41 /* define this to enable a pop-up menu that shows possible matches
42 * #define TAB_COMPLETION_ENABLE_POPUP_MENU
44 #define TAB_COMPLETION_ENABLE_POPUP_MENU 1
45 #define TAB_COMP_POPUP_MAX 500
47 #ifdef TAB_COMPLETION_ENABLE_POPUP_MENU
52 /* ----------------------------------------------------------------
53 Tab completion routines, can be connected to any gtkentry widget
54 using the tab_completion_add_to_entry() function.
55 Use remove_trailing_slash() to strip the trailing G_DIR_SEPARATOR.
56 ----------------------------------------------------------------*/
58 typedef struct _TabCompData TabCompData;
64 void (*enter_func)(const gchar *, gpointer);
65 void (*tab_func)(const gchar *, gpointer);
81 static void tab_completion_select_show(TabCompData *td);
83 static void tab_completion_free_list(TabCompData *td)
98 g_list_free(td->file_list);
102 static void tab_completion_read_dir(TabCompData *td, const gchar *path)
109 tab_completion_free_list(td);
111 pathl = path_from_utf8(path);
119 while ((dir = readdir(dp)) != NULL)
121 gchar *name = dir->d_name;
122 if (strcmp(name, ".") != 0 && strcmp(name, "..") != 0)
124 list = g_list_prepend(list, path_to_utf8(name));
129 td->dir_path = g_strdup(path);
130 td->file_list = list;
133 static void tab_completion_destroy(GtkWidget *widget, gpointer data)
135 TabCompData *td = data;
137 tab_completion_free_list(td);
138 g_free(td->history_key);
140 if (td->fd) file_dialog_close(td->fd);
141 g_free(td->fd_title);
146 static gchar *tab_completion_get_text(TabCompData *td)
150 text = g_strdup(gtk_entry_get_text(GTK_ENTRY(td->entry)));
155 text = expand_tilde(text);
162 static gint tab_completion_emit_enter_signal(TabCompData *td)
165 if (!td->enter_func) return FALSE;
167 text = tab_completion_get_text(td);
168 td->enter_func(text, td->enter_data);
174 static void tab_completion_emit_tab_signal(TabCompData *td)
177 if (!td->tab_func) return;
179 text = tab_completion_get_text(td);
180 td->tab_func(text, td->tab_data);
184 #ifdef TAB_COMPLETION_ENABLE_POPUP_MENU
186 static gint tab_completion_popup_key_press(GtkWidget *widget, GdkEventKey *event, gpointer data)
188 TabCompData *td = data;
190 if (event->keyval == GDK_Tab ||
191 event->keyval == GDK_BackSpace ||
192 (event->keyval >= 0x20 && event->keyval <= 0xFF) )
194 if (event->keyval >= 0x20 && event->keyval <= 0xFF)
199 buf[0] = event->keyval;
201 gtk_editable_insert_text(GTK_EDITABLE(td->entry), buf, 1, &p);
202 gtk_editable_set_position(GTK_EDITABLE(td->entry), -1);
206 gtk_menu_popdown(GTK_MENU(widget));
207 /* doing this does not emit the "selection done" signal, unref it ourselves */
208 #if GTK_CHECK_VERSION(2,12,0)
209 g_object_unref(widget);
211 gtk_widget_unref(widget);
219 static void tab_completion_popup_cb(GtkWidget *widget, gpointer data)
225 td = g_object_get_data(G_OBJECT(widget), "tab_completion_data");
228 buf = g_build_filename(td->dir_path, name, NULL);
229 gtk_entry_set_text(GTK_ENTRY(td->entry), buf);
230 gtk_editable_set_position(GTK_EDITABLE(td->entry), strlen(buf));
233 tab_completion_emit_tab_signal(td);
236 static void tab_completion_popup_pos_cb(GtkMenu *menu, gint *x, gint *y, gboolean *push_in, gpointer data)
238 TabCompData *td = data;
241 PangoRectangle strong_pos, weak_pos;
243 gint xoffset, yoffset;
247 GdkRectangle monitor;
249 gdk_window_get_origin(td->entry->window, x, y);
251 screen = gtk_widget_get_screen(GTK_WIDGET(menu));
252 monitor_num = gdk_screen_get_monitor_at_window(screen, td->entry->window);
253 gdk_screen_get_monitor_geometry(screen, monitor_num, &monitor);
255 gtk_widget_size_request(GTK_WIDGET(menu), &req);
257 length = strlen(gtk_entry_get_text(GTK_ENTRY(td->entry)));
258 gtk_entry_get_layout_offsets(GTK_ENTRY(td->entry), &xoffset, &yoffset);
260 layout = gtk_entry_get_layout(GTK_ENTRY(td->entry));
261 pango_layout_get_cursor_pos(layout, length, &strong_pos, &weak_pos);
263 *x += strong_pos.x / PANGO_SCALE + xoffset;
265 height = MIN(td->entry->requisition.height, td->entry->allocation.height);
267 if (req.height > monitor.y + monitor.height - *y - height &&
268 *y - monitor.y > monitor.y + monitor.height - *y)
270 height = MIN(*y - monitor.y, req.height);
271 gtk_widget_set_size_request(GTK_WIDGET(menu), -1, height);
280 static void tab_completion_popup_list(TabCompData *td, GList *list)
293 * well, the menu would be too long anyway...
294 * (listing /dev causes gtk+ window allocation errors, -> too big a window)
295 * this is why menu popups are disabled, this really should be a popup scrollable listview.
297 if (g_list_length(list) > 200) return;
300 menu = popup_menu_short_lived();
303 while (work && count < TAB_COMP_POPUP_MAX)
305 gchar *name = work->data;
308 item = menu_item_add_simple(menu, name, G_CALLBACK(tab_completion_popup_cb), name);
309 g_object_set_data(G_OBJECT(item), "tab_completion_data", td);
315 g_signal_connect(G_OBJECT(menu), "key_press_event",
316 G_CALLBACK(tab_completion_popup_key_press), td);
318 /* peek at the current event to get the time, etc. */
319 event = gtk_get_current_event();
321 if (event && event->type == GDK_BUTTON_RELEASE)
323 ebutton = event->button.button;
332 etime = gdk_event_get_time(event);
333 gdk_event_free(event);
340 gtk_menu_popup(GTK_MENU(menu), NULL, NULL,
341 tab_completion_popup_pos_cb, td, ebutton, etime);
345 #define CASE_SORT strcmp
348 static gint simple_sort(gconstpointer a, gconstpointer b)
350 return CASE_SORT((gchar *)a, (gchar *)b);
355 static gint tab_completion_do(TabCompData *td)
357 const gchar *entry_text = gtk_entry_get_text(GTK_ENTRY(td->entry));
358 const gchar *entry_file;
361 gint home_exp = FALSE;
363 /* home dir expansion */
364 if (entry_text[0] == '~')
366 entry_dir = expand_tilde(entry_text);
371 entry_dir = g_strdup(entry_text);
374 entry_file = filename_from_path(entry_text);
376 if (isfile(entry_dir))
380 gtk_entry_set_text(GTK_ENTRY(td->entry), entry_dir);
381 gtk_editable_set_position(GTK_EDITABLE(td->entry), strlen(entry_dir));
387 if (isdir(entry_dir) && strcmp(entry_file, ".") != 0 && strcmp(entry_file, "..") != 0)
389 ptr = entry_dir + strlen(entry_dir) - 1;
390 if (ptr[0] == G_DIR_SEPARATOR)
394 gtk_entry_set_text(GTK_ENTRY(td->entry), entry_dir);
395 gtk_editable_set_position(GTK_EDITABLE(td->entry), strlen(entry_dir));
398 tab_completion_read_dir(td, entry_dir);
399 td->file_list = g_list_sort(td->file_list, simple_sort);
400 if (td->file_list && !td->file_list->next)
405 file = td->file_list->data;
406 buf = g_build_filename(entry_dir, file, NULL);
409 gchar *tmp = g_strconcat(buf, G_DIR_SEPARATOR_S, NULL);
413 gtk_entry_set_text(GTK_ENTRY(td->entry), buf);
414 gtk_editable_set_position(GTK_EDITABLE(td->entry), strlen(buf));
418 #ifdef TAB_COMPLETION_ENABLE_POPUP_MENU
422 tab_completion_popup_list(td, td->file_list);
431 gchar *buf = g_strconcat(entry_dir, G_DIR_SEPARATOR_S, NULL);
432 gtk_entry_set_text(GTK_ENTRY(td->entry), buf);
433 gtk_editable_set_position(GTK_EDITABLE(td->entry), strlen(buf));
440 ptr = (gchar *)filename_from_path(entry_dir);
441 if (ptr > entry_dir) ptr--;
444 if (strlen(entry_dir) == 0)
447 entry_dir = g_strdup(G_DIR_SEPARATOR_S); /* FIXME: win32 */
450 if (isdir(entry_dir))
454 gint l = strlen(entry_file);
456 if (!td->dir_path || !td->file_list || strcmp(td->dir_path, entry_dir) != 0)
458 tab_completion_read_dir(td, entry_dir);
461 if (strcmp(entry_dir, G_DIR_SEPARATOR_S) == 0) entry_dir[0] = '\0'; /* FIXME: win32 */
463 list = td->file_list;
466 gchar *file = list->data;
467 if (strncmp(entry_file, file, l) == 0)
469 poss = g_list_prepend(poss, file);
478 gchar *file = poss->data;
481 buf = g_build_filename(entry_dir, file, NULL);
485 gchar *tmp = g_strconcat(buf, G_DIR_SEPARATOR_S, NULL);
489 gtk_entry_set_text(GTK_ENTRY(td->entry), buf);
490 gtk_editable_set_position(GTK_EDITABLE(td->entry), strlen(buf));
498 gsize c = strlen(entry_file);
500 gchar *test_file = poss->data;
505 if (!list) done = TRUE;
506 while (list && !done)
508 gchar *file = list->data;
509 if (strlen(file) < c || strncmp(test_file, file, c) != 0)
522 file = g_strdup(test_file);
524 buf = g_build_filename(entry_dir, file, NULL);
525 gtk_entry_set_text(GTK_ENTRY(td->entry), buf);
526 gtk_editable_set_position(GTK_EDITABLE(td->entry), strlen(buf));
528 #ifdef TAB_COMPLETION_ENABLE_POPUP_MENU
530 poss = g_list_sort(poss, simple_sort);
531 tab_completion_popup_list(td, poss);
551 static gint tab_completion_key_pressed(GtkWidget *widget, GdkEventKey *event, gpointer data)
553 TabCompData *td = data;
554 gint stop_signal = FALSE;
556 switch (event->keyval)
559 if (!(event->state & GDK_CONTROL_MASK))
561 if (tab_completion_do(td))
563 tab_completion_emit_tab_signal(td);
568 case GDK_Return: case GDK_KP_Enter:
570 (event->state & GDK_CONTROL_MASK))
572 tab_completion_select_show(td);
575 else if (tab_completion_emit_enter_signal(td))
584 if (stop_signal) g_signal_stop_emission_by_name(G_OBJECT(widget), "key_press_event");
586 return (stop_signal);
589 static void tab_completion_button_pressed(GtkWidget *widget, gpointer data)
592 GtkWidget *entry = data;
594 td = g_object_get_data(G_OBJECT(entry), "tab_completion_data");
598 if (!GTK_WIDGET_HAS_FOCUS(entry))
600 gtk_widget_grab_focus(entry);
603 if (tab_completion_do(td))
605 tab_completion_emit_tab_signal(td);
609 static void tab_completion_button_size_allocate(GtkWidget *button, GtkAllocation *allocation, gpointer data)
611 GtkWidget *parent = data;
613 if (allocation->height > parent->allocation.height)
615 GtkAllocation button_allocation;
617 button_allocation = button->allocation;
618 button_allocation.height = parent->allocation.height;
619 button_allocation.y = parent->allocation.y +
620 (parent->allocation.height - parent->allocation.height) / 2;
621 gtk_widget_size_allocate(button, &button_allocation);
625 static GtkWidget *tab_completion_create_complete_button(GtkWidget *entry, GtkWidget *parent)
631 button = gtk_button_new();
632 GTK_WIDGET_UNSET_FLAGS(button, GTK_CAN_FOCUS);
633 g_signal_connect(G_OBJECT(button), "size_allocate",
634 G_CALLBACK(tab_completion_button_size_allocate), parent);
635 g_signal_connect(G_OBJECT(button), "clicked",
636 G_CALLBACK(tab_completion_button_pressed), entry);
638 pixbuf = gdk_pixbuf_new_from_inline(-1, icon_tabcomp, FALSE, NULL);
639 icon = gtk_image_new_from_pixbuf(pixbuf);
640 g_object_unref(pixbuf);
642 gtk_container_add(GTK_CONTAINER(button), icon);
643 gtk_widget_show(icon);
649 *----------------------------------------------------------------------------
651 *----------------------------------------------------------------------------
654 GtkWidget *tab_completion_new_with_history(GtkWidget **entry, const gchar *text,
655 const gchar *history_key, gint max_levels,
656 void (*enter_func)(const gchar *, gpointer), gpointer data)
660 GtkWidget *combo_entry;
666 box = gtk_hbox_new(FALSE, 0);
668 combo = gtk_combo_box_entry_new_text();
669 gtk_box_pack_start(GTK_BOX(box), combo, TRUE, TRUE, 0);
670 gtk_widget_show(combo);
672 combo_entry = GTK_BIN(combo)->child;
674 gtk_combo_set_case_sensitive(GTK_COMBO(combo), TRUE);
675 gtk_combo_set_use_arrows(GTK_COMBO(combo), FALSE);
678 button = tab_completion_create_complete_button(combo_entry, combo);
679 gtk_box_pack_start(GTK_BOX(box), button, FALSE, FALSE, 0);
680 gtk_widget_show(button);
682 tab_completion_add_to_entry(combo_entry, enter_func, data);
684 td = g_object_get_data(G_OBJECT(combo_entry), "tab_completion_data");
685 if (!td) return NULL; /* this should never happen! */
688 td->has_history = TRUE;
689 td->history_key = g_strdup(history_key);
690 td->history_levels = max_levels;
692 work = history_list_get_by_key(td->history_key);
694 work = history_list_get_by_key(history_key);
697 gtk_combo_box_append_text(GTK_COMBO_BOX(combo), (gchar *)work->data);
704 gtk_entry_set_text(GTK_ENTRY(combo_entry), text);
708 gtk_combo_box_set_active(GTK_COMBO_BOX(combo), 0);
711 if (entry) *entry = combo_entry;
715 const gchar *tab_completion_set_to_last_history(GtkWidget *entry)
717 TabCompData *td = g_object_get_data(G_OBJECT(entry), "tab_completion_data");
720 if (!td || !td->has_history) return NULL;
722 buf = history_list_find_last_path_by_key(td->history_key);
725 gtk_entry_set_text(GTK_ENTRY(td->entry), buf);
731 void tab_completion_append_to_history(GtkWidget *entry, const gchar *path)
737 td = g_object_get_data(G_OBJECT(entry), "tab_completion_data");
741 if (!td || !td->has_history) return;
743 history_list_add_to_key(td->history_key, path, td->history_levels);
745 gtk_combo_box_set_active(GTK_COMBO_BOX(td->combo), -1);
747 store = gtk_combo_box_get_model(GTK_COMBO_BOX(td->combo));
748 gtk_list_store_clear(GTK_LIST_STORE(store));
750 work = history_list_get_by_key(td->history_key);
753 gtk_combo_box_append_text(GTK_COMBO_BOX(td->combo), (gchar *)work->data);
758 GtkWidget *tab_completion_new(GtkWidget **entry, const gchar *text,
759 void (*enter_func)(const gchar *, gpointer), gpointer data)
765 hbox = gtk_hbox_new(FALSE, 0);
767 newentry = gtk_entry_new();
768 if (text) gtk_entry_set_text(GTK_ENTRY(newentry), text);
769 gtk_box_pack_start(GTK_BOX(hbox), newentry, TRUE, TRUE, 0);
770 gtk_widget_show(newentry);
772 button = tab_completion_create_complete_button(newentry, newentry);
773 gtk_box_pack_start(GTK_BOX(hbox), button, FALSE, FALSE, 0);
774 gtk_widget_show(button);
776 tab_completion_add_to_entry(newentry, enter_func, data);
778 if (entry) *entry = newentry;
782 void tab_completion_add_to_entry(GtkWidget *entry, void (*enter_func)(const gchar *, gpointer), gpointer data)
787 log_printf("Tab completion error: entry != NULL\n");
791 td = g_new0(TabCompData, 1);
794 td->file_list = NULL;
795 td->enter_func = enter_func;
796 td->enter_data = data;
800 td->has_history = FALSE;
801 td->history_key = NULL;
802 td->history_levels = 0;
804 g_object_set_data(G_OBJECT(td->entry), "tab_completion_data", td);
806 g_signal_connect(G_OBJECT(entry), "key_press_event",
807 G_CALLBACK(tab_completion_key_pressed), td);
808 g_signal_connect(G_OBJECT(entry), "destroy",
809 G_CALLBACK(tab_completion_destroy), td);
812 void tab_completion_add_tab_func(GtkWidget *entry, void (*tab_func)(const gchar *, gpointer), gpointer data)
814 TabCompData *td = g_object_get_data(G_OBJECT(entry), "tab_completion_data");
818 td->tab_func = tab_func;
822 gchar *remove_trailing_slash(const gchar *path)
826 if (!path) return NULL;
829 while (l > 1 && path[l - 1] == G_DIR_SEPARATOR) l--;
831 return g_strndup(path, l);
834 static void tab_completion_select_cancel_cb(FileDialog *fd, gpointer data)
836 TabCompData *td = data;
839 file_dialog_close(fd);
842 static void tab_completion_select_ok_cb(FileDialog *fd, gpointer data)
844 TabCompData *td = data;
846 gtk_entry_set_text(GTK_ENTRY(td->entry), gtk_entry_get_text(GTK_ENTRY(fd->entry)));
848 tab_completion_select_cancel_cb(fd, data);
850 tab_completion_emit_enter_signal(td);
853 static void tab_completion_select_show(TabCompData *td)
860 gtk_window_present(GTK_WINDOW(GENERIC_DIALOG(td->fd)->dialog));
864 title = (td->fd_title) ? td->fd_title : _("Select path");
865 td->fd = file_dialog_new(title, GQ_WMCLASS, "select_path", td->entry,
866 tab_completion_select_cancel_cb, td);
867 file_dialog_add_button(td->fd, GTK_STOCK_OK, NULL,
868 tab_completion_select_ok_cb, TRUE);
870 generic_dialog_add_message(GENERIC_DIALOG(td->fd), NULL, title, NULL);
872 path = gtk_entry_get_text(GTK_ENTRY(td->entry));
873 if (strlen(path) == 0) path = NULL;
874 if (td->fd_folders_only)
876 file_dialog_add_path_widgets(td->fd, NULL, path, td->history_key, NULL, NULL);
880 file_dialog_add_path_widgets(td->fd, NULL, path, td->history_key, "*", _("All files"));
883 gtk_widget_show(GENERIC_DIALOG(td->fd)->dialog);
886 static void tab_completion_select_pressed(GtkWidget *widget, gpointer data)
888 TabCompData *td = data;
890 tab_completion_select_show(td);
893 void tab_completion_add_select_button(GtkWidget *entry, const gchar *title, gint folders_only)
899 td = g_object_get_data(G_OBJECT(entry), "tab_completion_data");
903 g_free(td->fd_title);
904 td->fd_title = g_strdup(title);
905 td->fd_folders_only = folders_only;
907 if (td->fd_button) return;
909 parent = (td->combo) ? td->combo : td->entry;
911 hbox = gtk_widget_get_parent(parent);
912 if (!GTK_IS_BOX(hbox)) return;
914 td->fd_button = gtk_button_new_with_label("...");
915 g_signal_connect(G_OBJECT(td->fd_button), "size_allocate",
916 G_CALLBACK(tab_completion_button_size_allocate), parent);
917 g_signal_connect(G_OBJECT(td->fd_button), "clicked",
918 G_CALLBACK(tab_completion_select_pressed), td);
920 gtk_box_pack_start(GTK_BOX(hbox), td->fd_button, FALSE, FALSE, 0);
922 gtk_widget_show(td->fd_button);
924 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */