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;
77 GdkWindow *window = gtk_widget_get_window(ted->window);
84 xr = (gint)event->x_root;
85 yr = (gint)event->y_root;
87 gdk_window_get_origin(window, &x, &y);
88 w = gdk_window_get_width(window);
89 h = gdk_window_get_height(window);
91 if (xr < x || yr < y || xr > x + w || yr > y + h)
93 /* gobble the release event, so it does not propgate to an underlying widget */
94 g_signal_connect(G_OBJECT(ted->window), "button_release_event",
95 G_CALLBACK(tree_edit_click_end_cb), ted);
101 static gboolean tree_edit_key_press_cb(GtkWidget *widget, GdkEventKey *event, gpointer data)
103 TreeEditData *ted = data;
105 switch (event->keyval)
108 case GDK_KEY_KP_Enter:
109 case GDK_KEY_Tab: /* ok, we are going to intercept the focus change
110 from keyboard and act like return was hit */
111 case GDK_KEY_ISO_Left_Tab:
115 case GDK_KEY_KP_Down:
116 case GDK_KEY_KP_Left:
117 case GDK_KEY_KP_Right:
119 tree_edit_close(ted);
122 tree_edit_close(ted);
131 static gboolean tree_edit_by_path_idle_cb(gpointer data)
133 TreeEditData *ted = data;
135 gint x, y, w, h; /* geometry of cell within tree */
136 gint wx, wy; /* geometry of tree from root window */
139 gtk_tree_view_get_cell_area(ted->tree, ted->path, ted->column, &rect);
146 if (gtk_tree_view_column_cell_get_position(ted->column, ted->cell, &sx, &sw))
152 gdk_window_get_origin(gtk_tree_view_get_bin_window(ted->tree), &wx, &wy);
154 x += wx - 2; /* the -val is to 'fix' alignment of entry position */
158 gtk_widget_set_size_request(ted->window, w, h);
159 gtk_widget_realize(ted->window);
160 gtk_window_move(GTK_WINDOW(ted->window), x, y);
161 gtk_window_resize(GTK_WINDOW(ted->window), w, h);
162 gtk_widget_show(ted->window);
165 gtk_widget_grab_focus(ted->entry);
166 /* explicitely set the focus flag for the entry, for some reason on popup windows this
167 * is not set, and causes no edit cursor to appear ( popups not allowed focus? )
169 gtk_widget_grab_focus(ted->entry);
170 gtk_grab_add(ted->window);
171 gdk_pointer_grab(gtk_widget_get_window(ted->window), TRUE,
172 GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | GDK_BUTTON_MOTION_MASK,
173 NULL, NULL, GDK_CURRENT_TIME);
174 gdk_keyboard_grab(gtk_widget_get_window(ted->window), TRUE, GDK_CURRENT_TIME);
179 gboolean tree_edit_by_path(GtkTreeView *tree, GtkTreePath *tpath, gint column, const gchar *text,
180 gboolean (*edit_func)(TreeEditData *, const gchar *, const gchar *, gpointer), gpointer data)
183 GtkTreeViewColumn *tcolumn;
184 GtkCellRenderer *cell = NULL;
188 if (!edit_func) return FALSE;
189 #if GTK_CHECK_VERSION(2,20,0)
190 if (!gtk_widget_get_visible(GTK_WIDGET(tree))) return FALSE;
192 if (!GTK_WIDGET_VISIBLE(tree)) return FALSE;
195 tcolumn = gtk_tree_view_get_column(tree, column);
196 if (!tcolumn) return FALSE;
198 #if GTK_CHECK_VERSION(2,18,0)
199 list = gtk_cell_layout_get_cells(GTK_CELL_LAYOUT(tcolumn));
201 list = gtk_tree_view_column_get_cell_renderers(tcolumn);
204 while (work && !cell)
207 if (!GTK_IS_CELL_RENDERER_TEXT(cell))
215 if (!cell) return FALSE;
217 if (!text) text = "";
219 ted = g_new0(TreeEditData, 1);
221 ted->old_name = g_strdup(text);
223 ted->edit_func = edit_func;
224 ted->edit_data = data;
227 ted->path = gtk_tree_path_copy(tpath);
228 ted->column = tcolumn;
231 gtk_tree_view_scroll_to_cell(ted->tree, ted->path, ted->column, FALSE, 0.0, 0.0);
233 /* create the window */
235 ted->window = gtk_window_new(GTK_WINDOW_POPUP);
236 gtk_window_set_resizable(GTK_WINDOW(ted->window), FALSE);
237 g_signal_connect(G_OBJECT(ted->window), "button_press_event",
238 G_CALLBACK(tree_edit_click_cb), ted);
239 g_signal_connect(G_OBJECT(ted->window), "key_press_event",
240 G_CALLBACK(tree_edit_key_press_cb), ted);
242 ted->entry = gtk_entry_new();
243 gtk_entry_set_text(GTK_ENTRY(ted->entry), ted->old_name);
244 gtk_editable_select_region(GTK_EDITABLE(ted->entry), 0, strlen(ted->old_name));
245 gtk_container_add(GTK_CONTAINER(ted->window), ted->entry);
246 gtk_widget_show(ted->entry);
248 /* due to the fact that gtktreeview scrolls in an idle loop, we cannot
249 * reliably get the cell position until those scroll priority signals are processed
251 g_idle_add_full(G_PRIORITY_DEFAULT_IDLE - 2, tree_edit_by_path_idle_cb, ted, NULL);
257 *-------------------------------------------------------------------
258 * tree cell position retrieval
259 *-------------------------------------------------------------------
262 gboolean tree_view_get_cell_origin(GtkTreeView *widget, GtkTreePath *tpath, gint column, gboolean text_cell_only,
263 gint *x, gint *y, gint *width, gint *height)
265 gint x_origin, y_origin;
266 gint x_offset, y_offset;
268 GtkTreeViewColumn *tv_column;
271 tv_column = gtk_tree_view_get_column(widget, column);
272 if (!tv_column || !tpath) return FALSE;
274 /* hmm, appears the rect will not account for X scroll, but does for Y scroll
275 * use x_offset instead for X scroll (sigh)
277 gtk_tree_view_get_cell_area(widget, tpath, tv_column, &rect);
278 #if GTK_CHECK_VERSION(2,12,0)
279 gtk_tree_view_convert_tree_to_widget_coords(widget, 0, 0, &x_offset, &y_offset);
281 gtk_tree_view_tree_to_widget_coords(widget, 0, 0, &x_offset, &y_offset);
283 gdk_window_get_origin(gtk_widget_get_window(GTK_WIDGET(widget)), &x_origin, &y_origin);
285 if (gtk_tree_view_get_headers_visible(widget))
287 GtkAllocation allocation;
288 #if GTK_CHECK_VERSION(3,0,0)
289 gtk_widget_get_allocation(gtk_tree_view_column_get_button(tv_column), &allocation);
291 gtk_widget_get_allocation(tv_column->button, &allocation);
293 header_size = allocation.height;
302 GtkCellRenderer *cell = NULL;
308 #if GTK_CHECK_VERSION(2,18,0)
309 renderers = gtk_cell_layout_get_cells(GTK_CELL_LAYOUT(tv_column));
311 renderers = gtk_tree_view_column_get_cell_renderers(tv_column);
314 while (work && !cell)
318 if (!GTK_IS_CELL_RENDERER_TEXT(cell)) cell = NULL;
320 g_list_free(renderers);
322 if (!cell) return FALSE;
324 if (!gtk_tree_view_column_cell_get_position(tv_column, cell, &cell_x, &cell_width))
327 cell_width = rect.width;
329 *x = x_origin + x_offset + rect.x + cell_x;
334 *x = x_origin + x_offset + rect.x;
337 *y = y_origin + rect.y + header_size;
338 *height = rect.height;
342 void tree_view_get_cell_clamped(GtkTreeView *widget, GtkTreePath *tpath, gint column, gboolean text_cell_only,
343 gint *x, gint *y, gint *width, gint *height)
348 window = gtk_widget_get_window(GTK_WIDGET(widget));
349 gdk_window_get_origin(window, &wx, &wy);
351 ww = gdk_window_get_width(window);
352 wh = gdk_window_get_height(window);
354 if (!tree_view_get_cell_origin(widget, tpath, column, text_cell_only, x, y, width, height))
363 *width = MIN(*width, ww);
364 *x = CLAMP(*x, wx, wx + ww - (*width));
365 *y = CLAMP(*y, wy, wy + wh);
366 *height = MIN(*height, wy + wh - (*y));
369 #if GTK_CHECK_VERSION(2,8,0)
370 /* an implementation that uses gtk_tree_view_get_visible_range */
371 gint tree_view_row_get_visibility(GtkTreeView *widget, GtkTreeIter *iter, gboolean fully_visible)
374 GtkTreePath *tpath, *start_path, *end_path;
377 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 */
379 store = gtk_tree_view_get_model(widget);
380 tpath = gtk_tree_model_get_path(store, iter);
384 if (gtk_tree_path_compare(tpath, start_path) <= 0)
388 else if (gtk_tree_path_compare(tpath, end_path) >= 0)
395 if (gtk_tree_path_compare(tpath, start_path) < 0)
399 else if (gtk_tree_path_compare(tpath, end_path) > 0)
405 gtk_tree_path_free(tpath);
406 gtk_tree_path_free(start_path);
407 gtk_tree_path_free(end_path);
412 /* an implementation that uses gtk_tree_view_get_visible_rect, it seems to be more error prone than the variant above */
414 gint tree_view_row_get_visibility(GtkTreeView *widget, GtkTreeIter *iter, gboolean fully_visible)
423 if (!GTK_WIDGET_REALIZED(GTK_WIDGET(widget))) return -1; /* we will most probably scroll down, needed for tree_view_row_make_visible */
425 store = gtk_tree_view_get_model(widget);
426 tpath = gtk_tree_model_get_path(store, iter);
428 gtk_tree_view_get_visible_rect(widget, &vrect);
429 gtk_tree_view_get_cell_area(widget, tpath, NULL, &crect);
430 gtk_tree_path_free(tpath);
433 #if GTK_CHECK_VERSION(2,12,0)
434 gtk_tree_view_convert_widget_to_tree_coords(widget, crect.x, crect.y, &cx, &cy);
436 gtk_tree_view_widget_to_tree_coords(widget, crect.x, crect.y, &cx, &cy);
441 if (cy < vrect.y) return -1;
442 if (cy + crect.height > vrect.y + vrect.height) return 1;
446 if (cy + crect.height < vrect.y) return -1;
447 if (cy > vrect.y + vrect.height) return 1;
452 gint tree_view_row_make_visible(GtkTreeView *widget, GtkTreeIter *iter, gboolean center)
457 vis = tree_view_row_get_visibility(widget, iter, TRUE);
459 tpath = gtk_tree_model_get_path(gtk_tree_view_get_model(widget), iter);
460 if (center && vis != 0)
462 gtk_tree_view_scroll_to_cell(widget, tpath, NULL, TRUE, 0.5, 0.0);
466 gtk_tree_view_scroll_to_cell(widget, tpath, NULL, TRUE, 0.0, 0.0);
470 gtk_tree_view_scroll_to_cell(widget, tpath, NULL, TRUE, 1.0, 0.0);
472 gtk_tree_path_free(tpath);
477 gboolean tree_view_move_cursor_away(GtkTreeView *widget, GtkTreeIter *iter, gboolean only_selected)
482 gboolean move = FALSE;
484 if (!iter) return FALSE;
486 store = gtk_tree_view_get_model(widget);
487 tpath = gtk_tree_model_get_path(store, iter);
488 gtk_tree_view_get_cursor(widget, &fpath, NULL);
490 if (fpath && gtk_tree_path_compare(tpath, fpath) == 0)
492 GtkTreeSelection *selection;
494 selection = gtk_tree_view_get_selection(widget);
496 if (!only_selected ||
497 gtk_tree_selection_path_is_selected(selection, tpath))
502 if (gtk_tree_model_iter_next(store, ¤t))
504 gtk_tree_path_next(tpath);
507 else if (gtk_tree_path_prev(tpath) &&
508 gtk_tree_model_get_iter(store, ¤t, tpath))
515 gtk_tree_view_set_cursor(widget, tpath, NULL, FALSE);
520 gtk_tree_path_free(tpath);
521 if (fpath) gtk_tree_path_free(fpath);
526 gint tree_path_to_row(GtkTreePath *tpath)
530 indices = gtk_tree_path_get_indices(tpath);
531 if (indices) return indices[0];
538 *-------------------------------------------------------------------
540 *-------------------------------------------------------------------
543 void shift_color(GdkColor *src, gshort val, gint direction)
549 val = STYLE_SHIFT_STANDARD;
553 val = CLAMP(val, 1, 100);
555 cs = 0xffff / 100 * val;
559 (direction == 0 &&((gint)src->red + (gint)src->green + (gint)src->blue) / 3 > 0xffff / 2))
561 src->red = MAX(0 , src->red - cs);
562 src->green = MAX(0 , src->green - cs);
563 src->blue = MAX(0 , src->blue - cs);
567 src->red = MIN(0xffff, src->red + cs);
568 src->green = MIN(0xffff, src->green + cs);
569 src->blue = MIN(0xffff, src->blue + cs);
573 /* darkens or lightens a style's color for given state
574 * esp. useful for alternating dark/light in (c)lists
576 void style_shift_color(GtkStyle *style, GtkStateType type, gshort shift_value, gint direction)
580 shift_color(&style->base[type], shift_value, direction);
581 shift_color(&style->bg[type], shift_value, direction);
585 *-------------------------------------------------------------------
586 * auto scroll by mouse position
587 *-------------------------------------------------------------------
590 #define AUTO_SCROLL_DEFAULT_SPEED 100
591 #define AUTO_SCROLL_DEFAULT_REGION 20
593 typedef struct _AutoScrollData AutoScrollData;
594 struct _AutoScrollData
596 guint timer_id; /* event source id */
602 gint (*notify_func)(GtkWidget *, gint, gint, gpointer);
603 gpointer notify_data;
606 void widget_auto_scroll_stop(GtkWidget *widget)
610 sd = g_object_get_data(G_OBJECT(widget), "autoscroll");
612 g_object_set_data(G_OBJECT(widget), "autoscroll", NULL);
614 if (sd->timer_id) g_source_remove(sd->timer_id);
618 static gboolean widget_auto_scroll_cb(gpointer data)
620 AutoScrollData *sd = data;
626 if (sd->max_step < sd->region_size)
628 sd->max_step = MIN(sd->region_size, sd->max_step + 2);
631 window = gtk_widget_get_window(sd->widget);
632 gdk_window_get_pointer(window, &x, &y, NULL);
633 w = gdk_window_get_width(window);
634 h = gdk_window_get_height(window);
636 if (x < 0 || x >= w || y < 0 || y >= h)
639 widget_auto_scroll_stop(sd->widget);
643 if (h < sd->region_size * 3)
645 /* height is cramped, nicely divide into three equal regions */
646 if (y < h / 3 || y > h / 3 * 2)
648 amt = (y < h / 2) ? 0 - ((h / 2) - y) : y - (h / 2);
651 else if (y < sd->region_size)
653 amt = 0 - (sd->region_size - y);
655 else if (y >= h - sd->region_size)
657 amt = y - (h - sd->region_size);
662 amt = CLAMP(amt, 0 - sd->max_step, sd->max_step);
664 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)))
666 /* only notify when scrolling is needed */
667 if (sd->notify_func && !sd->notify_func(sd->widget, x, y, sd->notify_data))
670 widget_auto_scroll_stop(sd->widget);
674 gtk_adjustment_set_value(sd->adj,
675 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)));
682 gint widget_auto_scroll_start(GtkWidget *widget, GtkAdjustment *v_adj, gint scroll_speed, gint region_size,
683 gint (*notify_func)(GtkWidget *widget, gint x, gint y, gpointer data), gpointer notify_data)
687 if (!widget || !v_adj) return 0;
688 if (g_object_get_data(G_OBJECT(widget), "autoscroll")) return 0;
689 if (scroll_speed < 1) scroll_speed = AUTO_SCROLL_DEFAULT_SPEED;
690 if (region_size < 1) region_size = AUTO_SCROLL_DEFAULT_REGION;
692 sd = g_new0(AutoScrollData, 1);
695 sd->region_size = region_size;
697 sd->timer_id = g_timeout_add(scroll_speed, widget_auto_scroll_cb, sd);
699 sd->notify_func = notify_func;
700 sd->notify_data = notify_data;
702 g_object_set_data(G_OBJECT(widget), "autoscroll", sd);
709 *-------------------------------------------------------------------
711 *-------------------------------------------------------------------
714 GList *uig_list_insert_link(GList *list, GList *link, gpointer data)
718 if (!list || link == list) return g_list_prepend(list, data);
719 if (!link) return g_list_append(list, data);
721 new_list = g_list_alloc();
722 new_list->data = data;
726 link->prev->next = new_list;
727 new_list->prev = link->prev;
733 link->prev = new_list;
734 new_list->next = link;
739 GList *uig_list_insert_list(GList *parent, GList *insert_link, GList *list)
743 if (!insert_link) return g_list_concat(parent, list);
744 if (insert_link == parent) return g_list_concat(list, parent);
745 if (!parent) return list;
746 if (!list) return parent;
748 end = g_list_last(list);
750 if (insert_link->prev) insert_link->prev->next = list;
751 list->prev = insert_link->prev;
752 insert_link->prev = end;
753 end->next = insert_link;
757 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */