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>
27 #include "ui_tree_edit.h"
30 *-------------------------------------------------------------------
32 *-------------------------------------------------------------------
35 static void tree_edit_close(TreeEditData *ted)
37 gtk_grab_remove(ted->window);
38 gdk_keyboard_ungrab(GDK_CURRENT_TIME);
39 gdk_pointer_ungrab(GDK_CURRENT_TIME);
41 gtk_widget_destroy(ted->window);
43 g_free(ted->old_name);
44 g_free(ted->new_name);
45 gtk_tree_path_free(ted->path);
50 static void tree_edit_do(TreeEditData *ted)
52 ted->new_name = g_strdup(gtk_entry_get_text(GTK_ENTRY(ted->entry)));
54 if (strcmp(ted->new_name, ted->old_name) != 0)
58 if (ted->edit_func(ted, ted->old_name, ted->new_name, ted->edit_data))
60 /* hmm, should the caller be required to set text instead ? */
66 static gboolean tree_edit_click_end_cb(GtkWidget *widget, GdkEventButton *event, gpointer data)
68 TreeEditData *ted = data;
76 static gboolean tree_edit_click_cb(GtkWidget *widget, GdkEventButton *event, gpointer data)
78 TreeEditData *ted = data;
79 GdkWindow *window = gtk_widget_get_window(ted->window);
86 xr = (gint)event->x_root;
87 yr = (gint)event->y_root;
89 gdk_window_get_origin(window, &x, &y);
90 w = gdk_window_get_width(window);
91 h = gdk_window_get_height(window);
93 if (xr < x || yr < y || xr > x + w || yr > y + h)
95 /* gobble the release event, so it does not propgate to an underlying widget */
96 g_signal_connect(G_OBJECT(ted->window), "button_release_event",
97 G_CALLBACK(tree_edit_click_end_cb), ted);
103 static gboolean tree_edit_key_press_cb(GtkWidget *widget, GdkEventKey *event, gpointer data)
105 TreeEditData *ted = data;
107 switch (event->keyval)
110 case GDK_KEY_KP_Enter:
111 case GDK_KEY_Tab: /* ok, we are going to intercept the focus change
112 from keyboard and act like return was hit */
113 case GDK_KEY_ISO_Left_Tab:
117 case GDK_KEY_KP_Down:
118 case GDK_KEY_KP_Left:
119 case GDK_KEY_KP_Right:
121 tree_edit_close(ted);
124 tree_edit_close(ted);
133 static gboolean tree_edit_by_path_idle_cb(gpointer data)
135 TreeEditData *ted = data;
137 gint x, y, w, h; /* geometry of cell within tree */
138 gint wx, wy; /* geometry of tree from root window */
141 gtk_tree_view_get_cell_area(ted->tree, ted->path, ted->column, &rect);
148 if (gtk_tree_view_column_cell_get_position(ted->column, ted->cell, &sx, &sw))
154 gdk_window_get_origin(gtk_tree_view_get_bin_window(ted->tree), &wx, &wy);
156 x += wx - 2; /* the -val is to 'fix' alignment of entry position */
160 gtk_widget_set_size_request(ted->window, w, h);
161 gtk_widget_realize(ted->window);
162 gtk_window_move(GTK_WINDOW(ted->window), x, y);
163 gtk_window_resize(GTK_WINDOW(ted->window), w, h);
164 gtk_widget_show(ted->window);
167 gtk_widget_grab_focus(ted->entry);
168 /* explicitely set the focus flag for the entry, for some reason on popup windows this
169 * is not set, and causes no edit cursor to appear ( popups not allowed focus? )
171 gtk_widget_grab_focus(ted->entry);
172 gtk_grab_add(ted->window);
173 gdk_pointer_grab(gtk_widget_get_window(ted->window), TRUE,
174 GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | GDK_BUTTON_MOTION_MASK,
175 NULL, NULL, GDK_CURRENT_TIME);
176 gdk_keyboard_grab(gtk_widget_get_window(ted->window), TRUE, GDK_CURRENT_TIME);
181 gboolean tree_edit_by_path(GtkTreeView *tree, GtkTreePath *tpath, gint column, const gchar *text,
182 gboolean (*edit_func)(TreeEditData *, const gchar *, const gchar *, gpointer), gpointer data)
185 GtkTreeViewColumn *tcolumn;
186 GtkCellRenderer *cell = NULL;
190 if (!edit_func) return FALSE;
191 #if GTK_CHECK_VERSION(2,20,0)
192 if (!gtk_widget_get_visible(GTK_WIDGET(tree))) return FALSE;
194 if (!GTK_WIDGET_VISIBLE(tree)) return FALSE;
197 tcolumn = gtk_tree_view_get_column(tree, column);
198 if (!tcolumn) return FALSE;
200 #if GTK_CHECK_VERSION(2,18,0)
201 list = gtk_cell_layout_get_cells(GTK_CELL_LAYOUT(tcolumn));
203 list = gtk_tree_view_column_get_cell_renderers(tcolumn);
206 while (work && !cell)
209 if (!GTK_IS_CELL_RENDERER_TEXT(cell))
217 if (!cell) return FALSE;
219 if (!text) text = "";
221 ted = g_new0(TreeEditData, 1);
223 ted->old_name = g_strdup(text);
225 ted->edit_func = edit_func;
226 ted->edit_data = data;
229 ted->path = gtk_tree_path_copy(tpath);
230 ted->column = tcolumn;
233 gtk_tree_view_scroll_to_cell(ted->tree, ted->path, ted->column, FALSE, 0.0, 0.0);
235 /* create the window */
237 ted->window = gtk_window_new(GTK_WINDOW_POPUP);
238 gtk_window_set_resizable(GTK_WINDOW(ted->window), FALSE);
239 g_signal_connect(G_OBJECT(ted->window), "button_press_event",
240 G_CALLBACK(tree_edit_click_cb), ted);
241 g_signal_connect(G_OBJECT(ted->window), "key_press_event",
242 G_CALLBACK(tree_edit_key_press_cb), ted);
244 ted->entry = gtk_entry_new();
245 gtk_entry_set_text(GTK_ENTRY(ted->entry), ted->old_name);
246 gtk_editable_select_region(GTK_EDITABLE(ted->entry), 0, strlen(ted->old_name));
247 gtk_container_add(GTK_CONTAINER(ted->window), ted->entry);
248 gtk_widget_show(ted->entry);
250 /* due to the fact that gtktreeview scrolls in an idle loop, we cannot
251 * reliably get the cell position until those scroll priority signals are processed
253 g_idle_add_full(G_PRIORITY_DEFAULT_IDLE - 2, tree_edit_by_path_idle_cb, ted, NULL);
259 *-------------------------------------------------------------------
260 * tree cell position retrieval
261 *-------------------------------------------------------------------
264 gboolean tree_view_get_cell_origin(GtkTreeView *widget, GtkTreePath *tpath, gint column, gboolean text_cell_only,
265 gint *x, gint *y, gint *width, gint *height)
267 gint x_origin, y_origin;
268 gint x_offset, y_offset;
270 GtkTreeViewColumn *tv_column;
273 tv_column = gtk_tree_view_get_column(widget, column);
274 if (!tv_column || !tpath) return FALSE;
276 /* hmm, appears the rect will not account for X scroll, but does for Y scroll
277 * use x_offset instead for X scroll (sigh)
279 gtk_tree_view_get_cell_area(widget, tpath, tv_column, &rect);
280 #if GTK_CHECK_VERSION(2,12,0)
281 gtk_tree_view_convert_tree_to_widget_coords(widget, 0, 0, &x_offset, &y_offset);
283 gtk_tree_view_tree_to_widget_coords(widget, 0, 0, &x_offset, &y_offset);
285 gdk_window_get_origin(gtk_widget_get_window(GTK_WIDGET(widget)), &x_origin, &y_origin);
287 if (gtk_tree_view_get_headers_visible(widget))
289 GtkAllocation allocation;
290 #if GTK_CHECK_VERSION(3,0,0)
291 gtk_widget_get_allocation(gtk_tree_view_column_get_button(tv_column), &allocation);
293 gtk_widget_get_allocation(tv_column->button, &allocation);
295 header_size = allocation.height;
304 GtkCellRenderer *cell = NULL;
310 #if GTK_CHECK_VERSION(2,18,0)
311 renderers = gtk_cell_layout_get_cells(GTK_CELL_LAYOUT(tv_column));
313 renderers = gtk_tree_view_column_get_cell_renderers(tv_column);
316 while (work && !cell)
320 if (!GTK_IS_CELL_RENDERER_TEXT(cell)) cell = NULL;
322 g_list_free(renderers);
324 if (!cell) return FALSE;
326 if (!gtk_tree_view_column_cell_get_position(tv_column, cell, &cell_x, &cell_width))
329 cell_width = rect.width;
331 *x = x_origin + x_offset + rect.x + cell_x;
336 *x = x_origin + x_offset + rect.x;
339 *y = y_origin + rect.y + header_size;
340 *height = rect.height;
344 void tree_view_get_cell_clamped(GtkTreeView *widget, GtkTreePath *tpath, gint column, gboolean text_cell_only,
345 gint *x, gint *y, gint *width, gint *height)
350 window = gtk_widget_get_window(GTK_WIDGET(widget));
351 gdk_window_get_origin(window, &wx, &wy);
353 ww = gdk_window_get_width(window);
354 wh = gdk_window_get_height(window);
356 if (!tree_view_get_cell_origin(widget, tpath, column, text_cell_only, x, y, width, height))
365 *width = MIN(*width, ww);
366 *x = CLAMP(*x, wx, wx + ww - (*width));
367 *y = CLAMP(*y, wy, wy + wh);
368 *height = MIN(*height, wy + wh - (*y));
371 #if GTK_CHECK_VERSION(2,8,0)
372 /* an implementation that uses gtk_tree_view_get_visible_range */
373 gint tree_view_row_get_visibility(GtkTreeView *widget, GtkTreeIter *iter, gboolean fully_visible)
376 GtkTreePath *tpath, *start_path, *end_path;
379 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 */
381 store = gtk_tree_view_get_model(widget);
382 tpath = gtk_tree_model_get_path(store, iter);
386 if (gtk_tree_path_compare(tpath, start_path) <= 0)
390 else if (gtk_tree_path_compare(tpath, end_path) >= 0)
397 if (gtk_tree_path_compare(tpath, start_path) < 0)
401 else if (gtk_tree_path_compare(tpath, end_path) > 0)
407 gtk_tree_path_free(tpath);
408 gtk_tree_path_free(start_path);
409 gtk_tree_path_free(end_path);
414 /* an implementation that uses gtk_tree_view_get_visible_rect, it seems to be more error prone than the variant above */
416 gint tree_view_row_get_visibility(GtkTreeView *widget, GtkTreeIter *iter, gboolean fully_visible)
425 if (!GTK_WIDGET_REALIZED(GTK_WIDGET(widget))) return -1; /* we will most probably scroll down, needed for tree_view_row_make_visible */
427 store = gtk_tree_view_get_model(widget);
428 tpath = gtk_tree_model_get_path(store, iter);
430 gtk_tree_view_get_visible_rect(widget, &vrect);
431 gtk_tree_view_get_cell_area(widget, tpath, NULL, &crect);
432 gtk_tree_path_free(tpath);
435 #if GTK_CHECK_VERSION(2,12,0)
436 gtk_tree_view_convert_widget_to_tree_coords(widget, crect.x, crect.y, &cx, &cy);
438 gtk_tree_view_widget_to_tree_coords(widget, crect.x, crect.y, &cx, &cy);
443 if (cy < vrect.y) return -1;
444 if (cy + crect.height > vrect.y + vrect.height) return 1;
448 if (cy + crect.height < vrect.y) return -1;
449 if (cy > vrect.y + vrect.height) return 1;
454 gint tree_view_row_make_visible(GtkTreeView *widget, GtkTreeIter *iter, gboolean center)
459 vis = tree_view_row_get_visibility(widget, iter, TRUE);
461 tpath = gtk_tree_model_get_path(gtk_tree_view_get_model(widget), iter);
462 if (center && vis != 0)
464 gtk_tree_view_scroll_to_cell(widget, tpath, NULL, TRUE, 0.5, 0.0);
468 gtk_tree_view_scroll_to_cell(widget, tpath, NULL, TRUE, 0.0, 0.0);
472 gtk_tree_view_scroll_to_cell(widget, tpath, NULL, TRUE, 1.0, 0.0);
474 gtk_tree_path_free(tpath);
479 gboolean tree_view_move_cursor_away(GtkTreeView *widget, GtkTreeIter *iter, gboolean only_selected)
484 gboolean move = FALSE;
486 if (!iter) return FALSE;
488 store = gtk_tree_view_get_model(widget);
489 tpath = gtk_tree_model_get_path(store, iter);
490 gtk_tree_view_get_cursor(widget, &fpath, NULL);
492 if (fpath && gtk_tree_path_compare(tpath, fpath) == 0)
494 GtkTreeSelection *selection;
496 selection = gtk_tree_view_get_selection(widget);
498 if (!only_selected ||
499 gtk_tree_selection_path_is_selected(selection, tpath))
504 if (gtk_tree_model_iter_next(store, ¤t))
506 gtk_tree_path_next(tpath);
509 else if (gtk_tree_path_prev(tpath) &&
510 gtk_tree_model_get_iter(store, ¤t, tpath))
517 gtk_tree_view_set_cursor(widget, tpath, NULL, FALSE);
522 gtk_tree_path_free(tpath);
523 if (fpath) gtk_tree_path_free(fpath);
528 gint tree_path_to_row(GtkTreePath *tpath)
532 indices = gtk_tree_path_get_indices(tpath);
533 if (indices) return indices[0];
540 *-------------------------------------------------------------------
542 *-------------------------------------------------------------------
545 void shift_color(GdkColor *src, gshort val, gint direction)
551 val = STYLE_SHIFT_STANDARD;
555 val = CLAMP(val, 1, 100);
557 cs = 0xffff / 100 * val;
561 (direction == 0 &&((gint)src->red + (gint)src->green + (gint)src->blue) / 3 > 0xffff / 2))
563 src->red = MAX(0 , src->red - cs);
564 src->green = MAX(0 , src->green - cs);
565 src->blue = MAX(0 , src->blue - cs);
569 src->red = MIN(0xffff, src->red + cs);
570 src->green = MIN(0xffff, src->green + cs);
571 src->blue = MIN(0xffff, src->blue + cs);
575 /* darkens or lightens a style's color for given state
576 * esp. useful for alternating dark/light in (c)lists
578 void style_shift_color(GtkStyle *style, GtkStateType type, gshort shift_value, gint direction)
582 shift_color(&style->base[type], shift_value, direction);
583 shift_color(&style->bg[type], shift_value, direction);
587 *-------------------------------------------------------------------
588 * auto scroll by mouse position
589 *-------------------------------------------------------------------
592 #define AUTO_SCROLL_DEFAULT_SPEED 100
593 #define AUTO_SCROLL_DEFAULT_REGION 20
595 typedef struct _AutoScrollData AutoScrollData;
596 struct _AutoScrollData
598 guint timer_id; /* event source id */
604 gint (*notify_func)(GtkWidget *, gint, gint, gpointer);
605 gpointer notify_data;
608 void widget_auto_scroll_stop(GtkWidget *widget)
612 sd = g_object_get_data(G_OBJECT(widget), "autoscroll");
614 g_object_set_data(G_OBJECT(widget), "autoscroll", NULL);
616 if (sd->timer_id) g_source_remove(sd->timer_id);
620 static gboolean widget_auto_scroll_cb(gpointer data)
622 AutoScrollData *sd = data;
628 if (sd->max_step < sd->region_size)
630 sd->max_step = MIN(sd->region_size, sd->max_step + 2);
633 window = gtk_widget_get_window(sd->widget);
634 gdk_window_get_pointer(window, &x, &y, NULL);
635 w = gdk_window_get_width(window);
636 h = gdk_window_get_height(window);
638 if (x < 0 || x >= w || y < 0 || y >= h)
641 widget_auto_scroll_stop(sd->widget);
645 if (h < sd->region_size * 3)
647 /* height is cramped, nicely divide into three equal regions */
648 if (y < h / 3 || y > h / 3 * 2)
650 amt = (y < h / 2) ? 0 - ((h / 2) - y) : y - (h / 2);
653 else if (y < sd->region_size)
655 amt = 0 - (sd->region_size - y);
657 else if (y >= h - sd->region_size)
659 amt = y - (h - sd->region_size);
664 amt = CLAMP(amt, 0 - sd->max_step, sd->max_step);
666 if (gtk_adjustment_get_value(sd->adj) != CLAMP(gtk_adjustment_get_value(sd->adj) + amt, gtk_adjustment_get_lower(sd->adj), gtk_adjustment_get_upper(sd->adj) - gtk_adjustment_get_page_size(sd->adj)))
668 /* only notify when scrolling is needed */
669 if (sd->notify_func && !sd->notify_func(sd->widget, x, y, sd->notify_data))
672 widget_auto_scroll_stop(sd->widget);
676 gtk_adjustment_set_value(sd->adj,
677 CLAMP(gtk_adjustment_get_value(sd->adj) + amt, gtk_adjustment_get_lower(sd->adj), gtk_adjustment_get_upper(sd->adj) - gtk_adjustment_get_page_size(sd->adj)));
684 gint widget_auto_scroll_start(GtkWidget *widget, GtkAdjustment *v_adj, gint scroll_speed, gint region_size,
685 gint (*notify_func)(GtkWidget *widget, gint x, gint y, gpointer data), gpointer notify_data)
689 if (!widget || !v_adj) return 0;
690 if (g_object_get_data(G_OBJECT(widget), "autoscroll")) return 0;
691 if (scroll_speed < 1) scroll_speed = AUTO_SCROLL_DEFAULT_SPEED;
692 if (region_size < 1) region_size = AUTO_SCROLL_DEFAULT_REGION;
694 sd = g_new0(AutoScrollData, 1);
697 sd->region_size = region_size;
699 sd->timer_id = g_timeout_add(scroll_speed, widget_auto_scroll_cb, sd);
701 sd->notify_func = notify_func;
702 sd->notify_data = notify_data;
704 g_object_set_data(G_OBJECT(widget), "autoscroll", sd);
711 *-------------------------------------------------------------------
713 *-------------------------------------------------------------------
716 GList *uig_list_insert_link(GList *list, GList *link, gpointer data)
720 if (!list || link == list) return g_list_prepend(list, data);
721 if (!link) return g_list_append(list, data);
723 new_list = g_list_alloc();
724 new_list->data = data;
728 link->prev->next = new_list;
729 new_list->prev = link->prev;
735 link->prev = new_list;
736 new_list->next = link;
741 GList *uig_list_insert_list(GList *parent, GList *insert_link, GList *list)
745 if (!insert_link) return g_list_concat(parent, list);
746 if (insert_link == parent) return g_list_concat(list, parent);
747 if (!parent) return list;
748 if (!list) return parent;
750 end = g_list_last(list);
752 if (insert_link->prev) insert_link->prev->next = list;
753 list->prev = insert_link->prev;
754 insert_link->prev = end;
755 end->next = insert_link;
759 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */