2 * (SLIK) SimpLIstic sKin functions
4 * Copyright (C) 2008 - 2012 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!
23 #include <gdk/gdkkeysyms.h>
25 #include "ui_tree_edit.h"
28 *-------------------------------------------------------------------
30 *-------------------------------------------------------------------
33 static void tree_edit_close(TreeEditData *ted)
35 gtk_grab_remove(ted->window);
36 gdk_keyboard_ungrab(GDK_CURRENT_TIME);
37 gdk_pointer_ungrab(GDK_CURRENT_TIME);
39 gtk_widget_destroy(ted->window);
41 g_free(ted->old_name);
42 g_free(ted->new_name);
43 gtk_tree_path_free(ted->path);
48 static void tree_edit_do(TreeEditData *ted)
50 ted->new_name = g_strdup(gtk_entry_get_text(GTK_ENTRY(ted->entry)));
52 if (strcmp(ted->new_name, ted->old_name) != 0)
56 if (ted->edit_func(ted, ted->old_name, ted->new_name, ted->edit_data))
58 /* hmm, should the caller be required to set text instead ? */
64 static gboolean tree_edit_click_end_cb(GtkWidget *widget, GdkEventButton *event, gpointer data)
66 TreeEditData *ted = data;
74 static gboolean tree_edit_click_cb(GtkWidget *widget, GdkEventButton *event, gpointer data)
76 TreeEditData *ted = data;
83 xr = (gint)event->x_root;
84 yr = (gint)event->y_root;
86 gdk_window_get_origin(ted->window->window, &x, &y);
87 gdk_drawable_get_size(ted->window->window, &w, &h);
89 if (xr < x || yr < y || xr > x + w || yr > y + h)
91 /* gobble the release event, so it does not propgate to an underlying widget */
92 g_signal_connect(G_OBJECT(ted->window), "button_release_event",
93 G_CALLBACK(tree_edit_click_end_cb), ted);
99 static gboolean tree_edit_key_press_cb(GtkWidget *widget, GdkEventKey *event, gpointer data)
101 TreeEditData *ted = data;
103 switch (event->keyval)
107 case GDK_Tab: /* ok, we are going to intercept the focus change
108 from keyboard and act like return was hit */
109 case GDK_ISO_Left_Tab:
117 tree_edit_close(ted);
120 tree_edit_close(ted);
129 static gboolean tree_edit_by_path_idle_cb(gpointer data)
131 TreeEditData *ted = data;
133 gint x, y, w, h; /* geometry of cell within tree */
134 gint wx, wy; /* geometry of tree from root window */
137 gtk_tree_view_get_cell_area(ted->tree, ted->path, ted->column, &rect);
144 if (gtk_tree_view_column_cell_get_position(ted->column, ted->cell, &sx, &sw))
150 gdk_window_get_origin(gtk_tree_view_get_bin_window(ted->tree), &wx, &wy);
152 x += wx - 2; /* the -val is to 'fix' alignment of entry position */
156 gtk_widget_set_size_request(ted->window, w, h);
157 gtk_widget_realize(ted->window);
158 gtk_window_move(GTK_WINDOW(ted->window), x, y);
159 gtk_window_resize(GTK_WINDOW(ted->window), w, h);
160 gtk_widget_show(ted->window);
163 gtk_widget_grab_focus(ted->entry);
164 /* explicitely set the focus flag for the entry, for some reason on popup windows this
165 * is not set, and causes no edit cursor to appear ( popups not allowed focus? )
167 GTK_WIDGET_SET_FLAGS(ted->entry, GTK_HAS_FOCUS);
168 gtk_grab_add(ted->window);
169 gdk_pointer_grab(ted->window->window, TRUE,
170 GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | GDK_BUTTON_MOTION_MASK,
171 NULL, NULL, GDK_CURRENT_TIME);
172 gdk_keyboard_grab(ted->window->window, TRUE, GDK_CURRENT_TIME);
177 gboolean tree_edit_by_path(GtkTreeView *tree, GtkTreePath *tpath, gint column, const gchar *text,
178 gboolean (*edit_func)(TreeEditData *, const gchar *, const gchar *, gpointer), gpointer data)
181 GtkTreeViewColumn *tcolumn;
182 GtkCellRenderer *cell = NULL;
186 if (!edit_func) return FALSE;
187 #if GTK_CHECK_VERSION(2,20,0)
188 if (!gtk_widget_get_visible(tree)) return FALSE;
190 if (!GTK_WIDGET_VISIBLE(tree)) return FALSE;
193 tcolumn = gtk_tree_view_get_column(tree, column);
194 if (!tcolumn) return FALSE;
196 #if GTK_CHECK_VERSION(2,18,0)
197 list = gtk_cell_layout_get_cells(GTK_CELL_LAYOUT(tcolumn));
199 list = gtk_tree_view_column_get_cell_renderers(tcolumn);
202 while (work && !cell)
205 if (!GTK_IS_CELL_RENDERER_TEXT(cell))
213 if (!cell) return FALSE;
215 if (!text) text = "";
217 ted = g_new0(TreeEditData, 1);
219 ted->old_name = g_strdup(text);
221 ted->edit_func = edit_func;
222 ted->edit_data = data;
225 ted->path = gtk_tree_path_copy(tpath);
226 ted->column = tcolumn;
229 gtk_tree_view_scroll_to_cell(ted->tree, ted->path, ted->column, FALSE, 0.0, 0.0);
231 /* create the window */
233 ted->window = gtk_window_new(GTK_WINDOW_POPUP);
234 gtk_window_set_resizable(GTK_WINDOW(ted->window), FALSE);
235 g_signal_connect(G_OBJECT(ted->window), "button_press_event",
236 G_CALLBACK(tree_edit_click_cb), ted);
237 g_signal_connect(G_OBJECT(ted->window), "key_press_event",
238 G_CALLBACK(tree_edit_key_press_cb), ted);
240 ted->entry = gtk_entry_new();
241 gtk_entry_set_text(GTK_ENTRY(ted->entry), ted->old_name);
242 gtk_editable_select_region(GTK_EDITABLE(ted->entry), 0, strlen(ted->old_name));
243 gtk_container_add(GTK_CONTAINER(ted->window), ted->entry);
244 gtk_widget_show(ted->entry);
246 /* due to the fact that gtktreeview scrolls in an idle loop, we cannot
247 * reliably get the cell position until those scroll priority signals are processed
249 g_idle_add_full(G_PRIORITY_DEFAULT_IDLE - 2, tree_edit_by_path_idle_cb, ted, NULL);
255 *-------------------------------------------------------------------
256 * tree cell position retrieval
257 *-------------------------------------------------------------------
260 gboolean tree_view_get_cell_origin(GtkTreeView *widget, GtkTreePath *tpath, gint column, gboolean text_cell_only,
261 gint *x, gint *y, gint *width, gint *height)
263 gint x_origin, y_origin;
264 gint x_offset, y_offset;
266 GtkTreeViewColumn *tv_column;
269 tv_column = gtk_tree_view_get_column(widget, column);
270 if (!tv_column || !tpath) return FALSE;
272 /* hmm, appears the rect will not account for X scroll, but does for Y scroll
273 * use x_offset instead for X scroll (sigh)
275 gtk_tree_view_get_cell_area(widget, tpath, tv_column, &rect);
276 #if GTK_CHECK_VERSION(2,12,0)
277 gtk_tree_view_convert_tree_to_widget_coords(widget, 0, 0, &x_offset, &y_offset);
279 gtk_tree_view_tree_to_widget_coords(widget, 0, 0, &x_offset, &y_offset);
281 gdk_window_get_origin(GTK_WIDGET(widget)->window, &x_origin, &y_origin);
283 if (gtk_tree_view_get_headers_visible(widget))
285 header_size = tv_column->button->allocation.height;
294 GtkCellRenderer *cell = NULL;
300 #if GTK_CHECK_VERSION(2,18,0)
301 renderers = gtk_cell_layout_get_cells(GTK_CELL_LAYOUT(tv_column));
303 renderers = gtk_tree_view_column_get_cell_renderers(tv_column);
306 while (work && !cell)
310 if (!GTK_IS_CELL_RENDERER_TEXT(cell)) cell = NULL;
312 g_list_free(renderers);
314 if (!cell) return FALSE;
316 if (!gtk_tree_view_column_cell_get_position(tv_column, cell, &cell_x, &cell_width))
319 cell_width = rect.width;
321 *x = x_origin + x_offset + rect.x + cell_x;
326 *x = x_origin + x_offset + rect.x;
329 *y = y_origin + rect.y + header_size;
330 *height = rect.height;
334 void tree_view_get_cell_clamped(GtkTreeView *widget, GtkTreePath *tpath, gint column, gboolean text_cell_only,
335 gint *x, gint *y, gint *width, gint *height)
340 window = GTK_WIDGET(widget)->window;
341 gdk_window_get_origin(window, &wx, &wy);
342 gdk_drawable_get_size(window, &ww, &wh);
343 if (!tree_view_get_cell_origin(widget, tpath, column, text_cell_only, x, y, width, height))
352 *width = MIN(*width, ww);
353 *x = CLAMP(*x, wx, wx + ww - (*width));
354 *y = CLAMP(*y, wy, wy + wh);
355 *height = MIN(*height, wy + wh - (*y));
358 #if GTK_CHECK_VERSION(2,8,0)
359 /* an implementation that uses gtk_tree_view_get_visible_range */
360 gint tree_view_row_get_visibility(GtkTreeView *widget, GtkTreeIter *iter, gboolean fully_visible)
363 GtkTreePath *tpath, *start_path, *end_path;
366 if (!gtk_tree_view_get_visible_range(widget, &start_path, &end_path)) return -1; /* we will most probably scroll down, needed for tree_view_row_make_visible */
368 store = gtk_tree_view_get_model(widget);
369 tpath = gtk_tree_model_get_path(store, iter);
373 if (gtk_tree_path_compare(tpath, start_path) <= 0)
377 else if (gtk_tree_path_compare(tpath, end_path) >= 0)
384 if (gtk_tree_path_compare(tpath, start_path) < 0)
388 else if (gtk_tree_path_compare(tpath, end_path) > 0)
394 gtk_tree_path_free(tpath);
395 gtk_tree_path_free(start_path);
396 gtk_tree_path_free(end_path);
401 /* an implementation that uses gtk_tree_view_get_visible_rect, it seems to be more error prone than the variant above */
403 gint tree_view_row_get_visibility(GtkTreeView *widget, GtkTreeIter *iter, gboolean fully_visible)
412 if (!GTK_WIDGET_REALIZED(GTK_WIDGET(widget))) return -1; /* we will most probably scroll down, needed for tree_view_row_make_visible */
414 store = gtk_tree_view_get_model(widget);
415 tpath = gtk_tree_model_get_path(store, iter);
417 gtk_tree_view_get_visible_rect(widget, &vrect);
418 gtk_tree_view_get_cell_area(widget, tpath, NULL, &crect);
419 gtk_tree_path_free(tpath);
422 #if GTK_CHECK_VERSION(2,12,0)
423 gtk_tree_view_convert_widget_to_tree_coords(widget, crect.x, crect.y, &cx, &cy);
425 gtk_tree_view_widget_to_tree_coords(widget, crect.x, crect.y, &cx, &cy);
430 if (cy < vrect.y) return -1;
431 if (cy + crect.height > vrect.y + vrect.height) return 1;
435 if (cy + crect.height < vrect.y) return -1;
436 if (cy > vrect.y + vrect.height) return 1;
441 gint tree_view_row_make_visible(GtkTreeView *widget, GtkTreeIter *iter, gboolean center)
446 vis = tree_view_row_get_visibility(widget, iter, TRUE);
448 tpath = gtk_tree_model_get_path(gtk_tree_view_get_model(widget), iter);
449 if (center && vis != 0)
451 gtk_tree_view_scroll_to_cell(widget, tpath, NULL, TRUE, 0.5, 0.0);
455 gtk_tree_view_scroll_to_cell(widget, tpath, NULL, TRUE, 0.0, 0.0);
459 gtk_tree_view_scroll_to_cell(widget, tpath, NULL, TRUE, 1.0, 0.0);
461 gtk_tree_path_free(tpath);
466 gboolean tree_view_move_cursor_away(GtkTreeView *widget, GtkTreeIter *iter, gboolean only_selected)
471 gboolean move = FALSE;
473 if (!iter) return FALSE;
475 store = gtk_tree_view_get_model(widget);
476 tpath = gtk_tree_model_get_path(store, iter);
477 gtk_tree_view_get_cursor(widget, &fpath, NULL);
479 if (fpath && gtk_tree_path_compare(tpath, fpath) == 0)
481 GtkTreeSelection *selection;
483 selection = gtk_tree_view_get_selection(widget);
485 if (!only_selected ||
486 gtk_tree_selection_path_is_selected(selection, tpath))
491 if (gtk_tree_model_iter_next(store, ¤t))
493 gtk_tree_path_next(tpath);
496 else if (gtk_tree_path_prev(tpath) &&
497 gtk_tree_model_get_iter(store, ¤t, tpath))
504 gtk_tree_view_set_cursor(widget, tpath, NULL, FALSE);
509 gtk_tree_path_free(tpath);
510 if (fpath) gtk_tree_path_free(fpath);
515 gint tree_path_to_row(GtkTreePath *tpath)
519 indices = gtk_tree_path_get_indices(tpath);
520 if (indices) return indices[0];
527 *-------------------------------------------------------------------
529 *-------------------------------------------------------------------
532 void shift_color(GdkColor *src, gshort val, gint direction)
538 val = STYLE_SHIFT_STANDARD;
542 val = CLAMP(val, 1, 100);
544 cs = 0xffff / 100 * val;
548 (direction == 0 &&((gint)src->red + (gint)src->green + (gint)src->blue) / 3 > 0xffff / 2))
550 src->red = MAX(0 , src->red - cs);
551 src->green = MAX(0 , src->green - cs);
552 src->blue = MAX(0 , src->blue - cs);
556 src->red = MIN(0xffff, src->red + cs);
557 src->green = MIN(0xffff, src->green + cs);
558 src->blue = MIN(0xffff, src->blue + cs);
562 /* darkens or lightens a style's color for given state
563 * esp. useful for alternating dark/light in (c)lists
565 void style_shift_color(GtkStyle *style, GtkStateType type, gshort shift_value, gint direction)
569 shift_color(&style->base[type], shift_value, direction);
570 shift_color(&style->bg[type], shift_value, direction);
574 *-------------------------------------------------------------------
575 * auto scroll by mouse position
576 *-------------------------------------------------------------------
579 #define AUTO_SCROLL_DEFAULT_SPEED 100
580 #define AUTO_SCROLL_DEFAULT_REGION 20
582 typedef struct _AutoScrollData AutoScrollData;
583 struct _AutoScrollData
585 guint timer_id; /* event source id */
591 gint (*notify_func)(GtkWidget *, gint, gint, gpointer);
592 gpointer notify_data;
595 void widget_auto_scroll_stop(GtkWidget *widget)
599 sd = g_object_get_data(G_OBJECT(widget), "autoscroll");
601 g_object_set_data(G_OBJECT(widget), "autoscroll", NULL);
603 if (sd->timer_id) g_source_remove(sd->timer_id);
607 static gboolean widget_auto_scroll_cb(gpointer data)
609 AutoScrollData *sd = data;
615 if (sd->max_step < sd->region_size)
617 sd->max_step = MIN(sd->region_size, sd->max_step + 2);
620 window = sd->widget->window;
621 gdk_window_get_pointer(window, &x, &y, NULL);
622 gdk_drawable_get_size(window, &w, &h);
624 if (x < 0 || x >= w || y < 0 || y >= h)
627 widget_auto_scroll_stop(sd->widget);
631 if (h < sd->region_size * 3)
633 /* height is cramped, nicely divide into three equal regions */
634 if (y < h / 3 || y > h / 3 * 2)
636 amt = (y < h / 2) ? 0 - ((h / 2) - y) : y - (h / 2);
639 else if (y < sd->region_size)
641 amt = 0 - (sd->region_size - y);
643 else if (y >= h - sd->region_size)
645 amt = y - (h - sd->region_size);
650 amt = CLAMP(amt, 0 - sd->max_step, sd->max_step);
652 if (sd->adj->value != CLAMP(sd->adj->value + amt, sd->adj->lower, sd->adj->upper - sd->adj->page_size))
654 /* only notify when scrolling is needed */
655 if (sd->notify_func && !sd->notify_func(sd->widget, x, y, sd->notify_data))
658 widget_auto_scroll_stop(sd->widget);
662 gtk_adjustment_set_value(sd->adj,
663 CLAMP(sd->adj->value + amt, sd->adj->lower, sd->adj->upper - sd->adj->page_size));
670 gint widget_auto_scroll_start(GtkWidget *widget, GtkAdjustment *v_adj, gint scroll_speed, gint region_size,
671 gint (*notify_func)(GtkWidget *widget, gint x, gint y, gpointer data), gpointer notify_data)
675 if (!widget || !v_adj) return 0;
676 if (g_object_get_data(G_OBJECT(widget), "autoscroll")) return 0;
677 if (scroll_speed < 1) scroll_speed = AUTO_SCROLL_DEFAULT_SPEED;
678 if (region_size < 1) region_size = AUTO_SCROLL_DEFAULT_REGION;
680 sd = g_new0(AutoScrollData, 1);
683 sd->region_size = region_size;
685 sd->timer_id = g_timeout_add(scroll_speed, widget_auto_scroll_cb, sd);
687 sd->notify_func = notify_func;
688 sd->notify_data = notify_data;
690 g_object_set_data(G_OBJECT(widget), "autoscroll", sd);
697 *-------------------------------------------------------------------
699 *-------------------------------------------------------------------
702 GList *uig_list_insert_link(GList *list, GList *link, gpointer data)
706 if (!list || link == list) return g_list_prepend(list, data);
707 if (!link) return g_list_append(list, data);
709 new_list = g_list_alloc();
710 new_list->data = data;
714 link->prev->next = new_list;
715 new_list->prev = link->prev;
721 link->prev = new_list;
722 new_list->next = link;
727 GList *uig_list_insert_list(GList *parent, GList *insert_link, GList *list)
731 if (!insert_link) return g_list_concat(parent, list);
732 if (insert_link == parent) return g_list_concat(list, parent);
733 if (!parent) return list;
734 if (!list) return parent;
736 end = g_list_last(list);
738 if (insert_link->prev) insert_link->prev->next = list;
739 list->prev = insert_link->prev;
740 insert_link->prev = end;
741 end->next = insert_link;
745 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */