2 * (SLIK) SimpLIstic sKin functions
4 * Copyright (C) 2008 - 2009 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_WIDGET_VISIBLE(tree)) return FALSE;
189 tcolumn = gtk_tree_view_get_column(tree, column);
190 if (!tcolumn) return FALSE;
192 list = gtk_tree_view_column_get_cell_renderers(tcolumn);
194 while (work && !cell)
197 if (!GTK_IS_CELL_RENDERER_TEXT(cell))
205 if (!cell) return FALSE;
207 if (!text) text = "";
209 ted = g_new0(TreeEditData, 1);
211 ted->old_name = g_strdup(text);
213 ted->edit_func = edit_func;
214 ted->edit_data = data;
217 ted->path = gtk_tree_path_copy(tpath);
218 ted->column = tcolumn;
221 gtk_tree_view_scroll_to_cell(ted->tree, ted->path, ted->column, FALSE, 0.0, 0.0);
223 /* create the window */
225 ted->window = gtk_window_new(GTK_WINDOW_POPUP);
226 gtk_window_set_resizable(GTK_WINDOW(ted->window), FALSE);
227 g_signal_connect(G_OBJECT(ted->window), "button_press_event",
228 G_CALLBACK(tree_edit_click_cb), ted);
229 g_signal_connect(G_OBJECT(ted->window), "key_press_event",
230 G_CALLBACK(tree_edit_key_press_cb), ted);
232 ted->entry = gtk_entry_new();
233 gtk_entry_set_text(GTK_ENTRY(ted->entry), ted->old_name);
234 gtk_editable_select_region(GTK_EDITABLE(ted->entry), 0, strlen(ted->old_name));
235 gtk_container_add(GTK_CONTAINER(ted->window), ted->entry);
236 gtk_widget_show(ted->entry);
238 /* due to the fact that gtktreeview scrolls in an idle loop, we cannot
239 * reliably get the cell position until those scroll priority signals are processed
241 g_idle_add_full(G_PRIORITY_DEFAULT_IDLE - 2, tree_edit_by_path_idle_cb, ted, NULL);
247 *-------------------------------------------------------------------
248 * tree cell position retrieval
249 *-------------------------------------------------------------------
252 gboolean tree_view_get_cell_origin(GtkTreeView *widget, GtkTreePath *tpath, gint column, gboolean text_cell_only,
253 gint *x, gint *y, gint *width, gint *height)
255 gint x_origin, y_origin;
256 gint x_offset, y_offset;
258 GtkTreeViewColumn *tv_column;
261 tv_column = gtk_tree_view_get_column(widget, column);
262 if (!tv_column || !tpath) return FALSE;
264 /* hmm, appears the rect will not account for X scroll, but does for Y scroll
265 * use x_offset instead for X scroll (sigh)
267 gtk_tree_view_get_cell_area(widget, tpath, tv_column, &rect);
268 #if GTK_CHECK_VERSION(2,12,0)
269 gtk_tree_view_convert_tree_to_widget_coords(widget, 0, 0, &x_offset, &y_offset);
271 gtk_tree_view_tree_to_widget_coords(widget, 0, 0, &x_offset, &y_offset);
273 gdk_window_get_origin(GTK_WIDGET(widget)->window, &x_origin, &y_origin);
275 if (gtk_tree_view_get_headers_visible(widget))
277 header_size = tv_column->button->allocation.height;
286 GtkCellRenderer *cell = NULL;
292 renderers = gtk_tree_view_column_get_cell_renderers(tv_column);
294 while (work && !cell)
298 if (!GTK_IS_CELL_RENDERER_TEXT(cell)) cell = NULL;
300 g_list_free(renderers);
302 if (!cell) return FALSE;
304 if (!gtk_tree_view_column_cell_get_position(tv_column, cell, &cell_x, &cell_width))
307 cell_width = rect.width;
309 *x = x_origin + x_offset + rect.x + cell_x;
314 *x = x_origin + x_offset + rect.x;
317 *y = y_origin + rect.y + header_size;
318 *height = rect.height;
322 void tree_view_get_cell_clamped(GtkTreeView *widget, GtkTreePath *tpath, gint column, gboolean text_cell_only,
323 gint *x, gint *y, gint *width, gint *height)
328 window = GTK_WIDGET(widget)->window;
329 gdk_window_get_origin(window, &wx, &wy);
330 gdk_drawable_get_size(window, &ww, &wh);
331 if (!tree_view_get_cell_origin(widget, tpath, column, text_cell_only, x, y, width, height))
340 *width = MIN(*width, ww);
341 *x = CLAMP(*x, wx, wx + ww - (*width));
342 *y = CLAMP(*y, wy, wy + wh);
343 *height = MIN(*height, wy + wh - (*y));
346 gint tree_view_row_get_visibility(GtkTreeView *widget, GtkTreeIter *iter, gboolean fully_visible)
355 if (!GTK_WIDGET_REALIZED(GTK_WIDGET(widget))) return -1; /* we will most probably scroll down, needed for tree_view_row_make_visible */
357 store = gtk_tree_view_get_model(widget);
358 tpath = gtk_tree_model_get_path(store, iter);
360 gtk_tree_view_get_visible_rect(widget, &vrect);
361 gtk_tree_view_get_cell_area(widget, tpath, NULL, &crect);
362 gtk_tree_path_free(tpath);
365 #if GTK_CHECK_VERSION(2,12,0)
366 gtk_tree_view_convert_widget_to_tree_coords(widget, crect.x, crect.y, &cx, &cy);
368 gtk_tree_view_widget_to_tree_coords(widget, crect.x, crect.y, &cx, &cy);
373 if (cy < vrect.y) return -1;
374 if (cy + crect.height > vrect.y + vrect.height) return 1;
378 if (cy + crect.height < vrect.y) return -1;
379 if (cy > vrect.y + vrect.height) return 1;
383 gint tree_view_row_make_visible(GtkTreeView *widget, GtkTreeIter *iter, gboolean center)
388 vis = tree_view_row_get_visibility(widget, iter, TRUE);
390 tpath = gtk_tree_model_get_path(gtk_tree_view_get_model(widget), iter);
391 if (center && vis != 0)
393 gtk_tree_view_scroll_to_cell(widget, tpath, NULL, TRUE, 0.5, 0.0);
397 gtk_tree_view_scroll_to_cell(widget, tpath, NULL, TRUE, 0.0, 0.0);
401 gtk_tree_view_scroll_to_cell(widget, tpath, NULL, TRUE, 1.0, 0.0);
403 gtk_tree_path_free(tpath);
408 gboolean tree_view_move_cursor_away(GtkTreeView *widget, GtkTreeIter *iter, gboolean only_selected)
413 gboolean move = FALSE;
415 if (!iter) return FALSE;
417 store = gtk_tree_view_get_model(widget);
418 tpath = gtk_tree_model_get_path(store, iter);
419 gtk_tree_view_get_cursor(widget, &fpath, NULL);
421 if (fpath && gtk_tree_path_compare(tpath, fpath) == 0)
423 GtkTreeSelection *selection;
425 selection = gtk_tree_view_get_selection(widget);
427 if (!only_selected ||
428 gtk_tree_selection_path_is_selected(selection, tpath))
433 if (gtk_tree_model_iter_next(store, ¤t))
435 gtk_tree_path_next(tpath);
438 else if (gtk_tree_path_prev(tpath) &&
439 gtk_tree_model_get_iter(store, ¤t, tpath))
446 gtk_tree_view_set_cursor(widget, tpath, NULL, FALSE);
451 gtk_tree_path_free(tpath);
452 if (fpath) gtk_tree_path_free(fpath);
457 gint tree_path_to_row(GtkTreePath *tpath)
461 indices = gtk_tree_path_get_indices(tpath);
462 if (indices) return indices[0];
469 *-------------------------------------------------------------------
471 *-------------------------------------------------------------------
474 void shift_color(GdkColor *src, gshort val, gint direction)
480 val = STYLE_SHIFT_STANDARD;
484 val = CLAMP(val, 1, 100);
486 cs = 0xffff / 100 * val;
490 (direction == 0 &&((gint)src->red + (gint)src->green + (gint)src->blue) / 3 > 0xffff / 2))
492 src->red = MAX(0 , src->red - cs);
493 src->green = MAX(0 , src->green - cs);
494 src->blue = MAX(0 , src->blue - cs);
498 src->red = MIN(0xffff, src->red + cs);
499 src->green = MIN(0xffff, src->green + cs);
500 src->blue = MIN(0xffff, src->blue + cs);
504 /* darkens or lightens a style's color for given state
505 * esp. useful for alternating dark/light in (c)lists
507 void style_shift_color(GtkStyle *style, GtkStateType type, gshort shift_value, gint direction)
511 shift_color(&style->base[type], shift_value, direction);
512 shift_color(&style->bg[type], shift_value, direction);
516 *-------------------------------------------------------------------
517 * auto scroll by mouse position
518 *-------------------------------------------------------------------
521 #define AUTO_SCROLL_DEFAULT_SPEED 100
522 #define AUTO_SCROLL_DEFAULT_REGION 20
524 typedef struct _AutoScrollData AutoScrollData;
525 struct _AutoScrollData
533 gint (*notify_func)(GtkWidget *, gint, gint, gpointer);
534 gpointer notify_data;
537 void widget_auto_scroll_stop(GtkWidget *widget)
541 sd = g_object_get_data(G_OBJECT(widget), "autoscroll");
543 g_object_set_data(G_OBJECT(widget), "autoscroll", NULL);
545 if (sd->timer_id != -1) g_source_remove(sd->timer_id);
549 static gboolean widget_auto_scroll_cb(gpointer data)
551 AutoScrollData *sd = data;
557 if (sd->max_step < sd->region_size)
559 sd->max_step = MIN(sd->region_size, sd->max_step + 2);
562 window = sd->widget->window;
563 gdk_window_get_pointer(window, &x, &y, NULL);
564 gdk_drawable_get_size(window, &w, &h);
566 if (x < 0 || x >= w || y < 0 || y >= h)
569 widget_auto_scroll_stop(sd->widget);
573 if (h < sd->region_size * 3)
575 /* height is cramped, nicely divide into three equal regions */
576 if (y < h / 3 || y > h / 3 * 2)
578 amt = (y < h / 2) ? 0 - ((h / 2) - y) : y - (h / 2);
581 else if (y < sd->region_size)
583 amt = 0 - (sd->region_size - y);
585 else if (y >= h - sd->region_size)
587 amt = y - (h - sd->region_size);
592 amt = CLAMP(amt, 0 - sd->max_step, sd->max_step);
594 if (sd->adj->value != CLAMP(sd->adj->value + amt, sd->adj->lower, sd->adj->upper - sd->adj->page_size))
596 /* only notify when scrolling is needed */
597 if (sd->notify_func && !sd->notify_func(sd->widget, x, y, sd->notify_data))
600 widget_auto_scroll_stop(sd->widget);
604 gtk_adjustment_set_value(sd->adj,
605 CLAMP(sd->adj->value + amt, sd->adj->lower, sd->adj->upper - sd->adj->page_size));
612 gint widget_auto_scroll_start(GtkWidget *widget, GtkAdjustment *v_adj, gint scroll_speed, gint region_size,
613 gint (*notify_func)(GtkWidget *widget, gint x, gint y, gpointer data), gpointer notify_data)
617 if (!widget || !v_adj) return 0;
618 if (g_object_get_data(G_OBJECT(widget), "autoscroll")) return 0;
619 if (scroll_speed < 1) scroll_speed = AUTO_SCROLL_DEFAULT_SPEED;
620 if (region_size < 1) region_size = AUTO_SCROLL_DEFAULT_REGION;
622 sd = g_new0(AutoScrollData, 1);
625 sd->region_size = region_size;
627 sd->timer_id = g_timeout_add(scroll_speed, widget_auto_scroll_cb, sd);
629 sd->notify_func = notify_func;
630 sd->notify_data = notify_data;
632 g_object_set_data(G_OBJECT(widget), "autoscroll", sd);
639 *-------------------------------------------------------------------
641 *-------------------------------------------------------------------
644 GList *uig_list_insert_link(GList *list, GList *link, gpointer data)
648 if (!list || link == list) return g_list_prepend(list, data);
649 if (!link) return g_list_append(list, data);
651 new_list = g_list_alloc();
652 new_list->data = data;
656 link->prev->next = new_list;
657 new_list->prev = link->prev;
663 link->prev = new_list;
664 new_list->next = link;
669 GList *uig_list_insert_list(GList *parent, GList *insert_link, GList *list)
673 if (!insert_link) return g_list_concat(parent, list);
674 if (insert_link == parent) return g_list_concat(list, parent);
675 if (!parent) return list;
676 if (!list) return parent;
678 end = g_list_last(list);
680 if (insert_link->prev) insert_link->prev->next = list;
681 list->prev = insert_link->prev;
682 insert_link->prev = end;
683 end->next = insert_link;
687 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */