2 * Copyright (C) 2004 John Ellis
3 * Copyright (C) 2008 - 2016 The Geeqie Team
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License along
18 * with this program; if not, write to the Free Software Foundation, Inc.,
19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
30 #include <gdk/gdkkeysyms.h>
35 #include "ui_tree_edit.h"
38 *-------------------------------------------------------------------
40 *-------------------------------------------------------------------
43 static void tree_edit_close(TreeEditData *ted)
45 gtk_grab_remove(ted->window);
46 gdk_keyboard_ungrab(GDK_CURRENT_TIME);
47 gdk_pointer_ungrab(GDK_CURRENT_TIME);
49 gtk_widget_destroy(ted->window);
51 g_free(ted->old_name);
52 g_free(ted->new_name);
53 gtk_tree_path_free(ted->path);
58 static void tree_edit_do(TreeEditData *ted)
60 ted->new_name = g_strdup(gtk_entry_get_text(GTK_ENTRY(ted->entry)));
62 if (strcmp(ted->new_name, ted->old_name) != 0)
66 if (ted->edit_func(ted, ted->old_name, ted->new_name, ted->edit_data))
68 /* hmm, should the caller be required to set text instead ? */
74 static gboolean tree_edit_click_end_cb(GtkWidget *UNUSED(widget), GdkEventButton *UNUSED(event), gpointer data)
76 TreeEditData *ted = data;
84 static gboolean tree_edit_click_cb(GtkWidget *UNUSED(widget), GdkEventButton *event, gpointer data)
86 TreeEditData *ted = data;
87 GdkWindow *window = gtk_widget_get_window(ted->window);
94 xr = (gint)event->x_root;
95 yr = (gint)event->y_root;
97 gdk_window_get_origin(window, &x, &y);
98 w = gdk_window_get_width(window);
99 h = gdk_window_get_height(window);
101 if (xr < x || yr < y || xr > x + w || yr > y + h)
103 /* gobble the release event, so it does not propgate to an underlying widget */
104 g_signal_connect(G_OBJECT(ted->window), "button_release_event",
105 G_CALLBACK(tree_edit_click_end_cb), ted);
111 static gboolean tree_edit_key_press_cb(GtkWidget *UNUSED(widget), GdkEventKey *event, gpointer data)
113 TreeEditData *ted = data;
115 switch (event->keyval)
118 case GDK_KEY_KP_Enter:
119 case GDK_KEY_Tab: /* ok, we are going to intercept the focus change
120 from keyboard and act like return was hit */
121 case GDK_KEY_ISO_Left_Tab:
125 case GDK_KEY_KP_Down:
126 case GDK_KEY_KP_Left:
127 case GDK_KEY_KP_Right:
129 tree_edit_close(ted);
132 tree_edit_close(ted);
141 static gboolean tree_edit_by_path_idle_cb(gpointer data)
143 TreeEditData *ted = data;
145 gint x, y, w, h; /* geometry of cell within tree */
146 gint wx, wy; /* geometry of tree from root window */
149 gtk_tree_view_get_cell_area(ted->tree, ted->path, ted->column, &rect);
156 if (gtk_tree_view_column_cell_get_position(ted->column, ted->cell, &sx, &sw))
162 gdk_window_get_origin(gtk_widget_get_window(gtk_widget_get_parent(GTK_WIDGET(ted->tree))), &wx, &wy);
164 x += wx - 2; /* the -val is to 'fix' alignment of entry position */
168 gtk_widget_set_size_request(ted->window, w, h);
169 gtk_widget_realize(ted->window);
170 gtk_window_move(GTK_WINDOW(ted->window), x, y);
171 gtk_window_resize(GTK_WINDOW(ted->window), w, h);
172 gtk_widget_show(ted->window);
175 gtk_widget_grab_focus(ted->entry);
176 /* explicitly set the focus flag for the entry, for some reason on popup windows this
177 * is not set, and causes no edit cursor to appear ( popups not allowed focus? )
179 gtk_widget_grab_focus(ted->entry);
180 gtk_grab_add(ted->window);
181 gdk_pointer_grab(gtk_widget_get_window(ted->window), TRUE,
182 GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | GDK_BUTTON_MOTION_MASK,
183 NULL, NULL, GDK_CURRENT_TIME);
184 gdk_keyboard_grab(gtk_widget_get_window(ted->window), TRUE, GDK_CURRENT_TIME);
189 gboolean tree_edit_by_path(GtkTreeView *tree, GtkTreePath *tpath, gint column, const gchar *text,
190 gboolean (*edit_func)(TreeEditData *, const gchar *, const gchar *, gpointer), gpointer data)
193 GtkTreeViewColumn *tcolumn;
194 GtkCellRenderer *cell = NULL;
198 if (!edit_func) return FALSE;
199 if (!gtk_widget_get_visible(GTK_WIDGET(tree))) return FALSE;
201 tcolumn = gtk_tree_view_get_column(tree, column);
202 if (!tcolumn) return FALSE;
204 list = gtk_cell_layout_get_cells(GTK_CELL_LAYOUT(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, TRUE, 0.5, 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 gtk_tree_view_convert_tree_to_widget_coords(widget, 0, 0, &x_offset, &y_offset);
281 gdk_window_get_origin(gtk_widget_get_window(GTK_WIDGET(widget)), &x_origin, &y_origin);
283 if (gtk_tree_view_get_headers_visible(widget))
285 GtkAllocation allocation;
286 gtk_widget_get_allocation(gtk_tree_view_column_get_button(tv_column), &allocation);
287 header_size = allocation.height;
296 GtkCellRenderer *cell = NULL;
302 renderers = gtk_cell_layout_get_cells(GTK_CELL_LAYOUT(tv_column));
304 while (work && !cell)
308 if (!GTK_IS_CELL_RENDERER_TEXT(cell)) cell = NULL;
310 g_list_free(renderers);
312 if (!cell) return FALSE;
314 if (!gtk_tree_view_column_cell_get_position(tv_column, cell, &cell_x, &cell_width))
317 cell_width = rect.width;
319 *x = x_origin + x_offset + rect.x + cell_x;
324 *x = x_origin + x_offset + rect.x;
327 *y = y_origin + rect.y + header_size;
328 *height = rect.height;
332 void tree_view_get_cell_clamped(GtkTreeView *widget, GtkTreePath *tpath, gint column, gboolean text_cell_only,
333 gint *x, gint *y, gint *width, gint *height)
338 window = gtk_widget_get_window(GTK_WIDGET(widget));
339 gdk_window_get_origin(window, &wx, &wy);
341 ww = gdk_window_get_width(window);
342 wh = gdk_window_get_height(window);
344 if (!tree_view_get_cell_origin(widget, tpath, column, text_cell_only, x, y, width, height))
353 *width = MIN(*width, ww);
354 *x = CLAMP(*x, wx, wx + ww - (*width));
355 *y = CLAMP(*y, wy, wy + wh);
356 *height = MIN(*height, wy + wh - (*y));
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);
400 gint tree_view_row_make_visible(GtkTreeView *widget, GtkTreeIter *iter, gboolean center)
405 vis = tree_view_row_get_visibility(widget, iter, TRUE);
407 tpath = gtk_tree_model_get_path(gtk_tree_view_get_model(widget), iter);
408 if (center && vis != 0)
410 gtk_tree_view_scroll_to_cell(widget, tpath, NULL, TRUE, 0.5, 0.0);
414 gtk_tree_view_scroll_to_cell(widget, tpath, NULL, TRUE, 0.0, 0.0);
418 gtk_tree_view_scroll_to_cell(widget, tpath, NULL, TRUE, 1.0, 0.0);
420 gtk_tree_path_free(tpath);
425 gboolean tree_view_move_cursor_away(GtkTreeView *widget, GtkTreeIter *iter, gboolean only_selected)
430 gboolean move = FALSE;
432 if (!iter) return FALSE;
434 store = gtk_tree_view_get_model(widget);
435 tpath = gtk_tree_model_get_path(store, iter);
436 gtk_tree_view_get_cursor(widget, &fpath, NULL);
438 if (fpath && gtk_tree_path_compare(tpath, fpath) == 0)
440 GtkTreeSelection *selection;
442 selection = gtk_tree_view_get_selection(widget);
444 if (!only_selected ||
445 gtk_tree_selection_path_is_selected(selection, tpath))
450 if (gtk_tree_model_iter_next(store, ¤t))
452 gtk_tree_path_next(tpath);
455 else if (gtk_tree_path_prev(tpath) &&
456 gtk_tree_model_get_iter(store, ¤t, tpath))
463 gtk_tree_view_set_cursor(widget, tpath, NULL, FALSE);
468 gtk_tree_path_free(tpath);
469 if (fpath) gtk_tree_path_free(fpath);
474 gint tree_path_to_row(GtkTreePath *tpath)
478 indices = gtk_tree_path_get_indices(tpath);
479 if (indices) return indices[0];
486 *-------------------------------------------------------------------
488 *-------------------------------------------------------------------
491 void shift_color(GdkColor *src, gshort val, gint direction)
497 val = STYLE_SHIFT_STANDARD;
501 val = CLAMP(val, 1, 100);
503 cs = 0xffff / 100 * val;
507 (direction == 0 &&((gint)src->red + (gint)src->green + (gint)src->blue) / 3 > 0xffff / 2))
509 src->red = MAX(0 , src->red - cs);
510 src->green = MAX(0 , src->green - cs);
511 src->blue = MAX(0 , src->blue - cs);
515 src->red = MIN(0xffff, src->red + cs);
516 src->green = MIN(0xffff, src->green + cs);
517 src->blue = MIN(0xffff, src->blue + cs);
521 /* darkens or lightens a style's color for given state
522 * esp. useful for alternating dark/light in (c)lists
524 void style_shift_color(GtkStyle *style, GtkStateType type, gshort shift_value, gint direction)
528 shift_color(&style->base[type], shift_value, direction);
529 shift_color(&style->bg[type], shift_value, direction);
533 *-------------------------------------------------------------------
534 * auto scroll by mouse position
535 *-------------------------------------------------------------------
538 #define AUTO_SCROLL_DEFAULT_SPEED 100
539 #define AUTO_SCROLL_DEFAULT_REGION 20
541 typedef struct _AutoScrollData AutoScrollData;
542 struct _AutoScrollData
544 guint timer_id; /* event source id */
550 gint (*notify_func)(GtkWidget *, gint, gint, gpointer);
551 gpointer notify_data;
554 void widget_auto_scroll_stop(GtkWidget *widget)
558 sd = g_object_get_data(G_OBJECT(widget), "autoscroll");
560 g_object_set_data(G_OBJECT(widget), "autoscroll", NULL);
562 if (sd->timer_id) g_source_remove(sd->timer_id);
566 static gboolean widget_auto_scroll_cb(gpointer data)
568 AutoScrollData *sd = data;
576 if (sd->max_step < sd->region_size)
578 sd->max_step = MIN(sd->region_size, sd->max_step + 2);
581 window = gtk_widget_get_window(sd->widget);
582 seat = gdk_display_get_default_seat(gdk_window_get_display(window));
583 device = gdk_seat_get_pointer(seat);
584 gdk_window_get_device_position(window, device, &x, &y, NULL);
586 w = gdk_window_get_width(window);
587 h = gdk_window_get_height(window);
589 if (x < 0 || x >= w || y < 0 || y >= h)
592 widget_auto_scroll_stop(sd->widget);
596 if (h < sd->region_size * 3)
598 /* height is cramped, nicely divide into three equal regions */
599 if (y < h / 3 || y > h / 3 * 2)
601 amt = (y < h / 2) ? 0 - ((h / 2) - y) : y - (h / 2);
604 else if (y < sd->region_size)
606 amt = 0 - (sd->region_size - y);
608 else if (y >= h - sd->region_size)
610 amt = y - (h - sd->region_size);
615 amt = CLAMP(amt, 0 - sd->max_step, sd->max_step);
617 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)))
619 /* only notify when scrolling is needed */
620 if (sd->notify_func && !sd->notify_func(sd->widget, x, y, sd->notify_data))
623 widget_auto_scroll_stop(sd->widget);
627 gtk_adjustment_set_value(sd->adj,
628 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)));
635 gint widget_auto_scroll_start(GtkWidget *widget, GtkAdjustment *v_adj, gint scroll_speed, gint region_size,
636 gint (*notify_func)(GtkWidget *widget, gint x, gint y, gpointer data), gpointer notify_data)
640 if (!widget || !v_adj) return 0;
641 if (g_object_get_data(G_OBJECT(widget), "autoscroll")) return 0;
642 if (scroll_speed < 1) scroll_speed = AUTO_SCROLL_DEFAULT_SPEED;
643 if (region_size < 1) region_size = AUTO_SCROLL_DEFAULT_REGION;
645 sd = g_new0(AutoScrollData, 1);
648 sd->region_size = region_size;
650 sd->timer_id = g_timeout_add(scroll_speed, widget_auto_scroll_cb, sd);
652 sd->notify_func = notify_func;
653 sd->notify_data = notify_data;
655 g_object_set_data(G_OBJECT(widget), "autoscroll", sd);
662 *-------------------------------------------------------------------
664 *-------------------------------------------------------------------
667 GList *uig_list_insert_link(GList *list, GList *link, gpointer data)
671 if (!list || link == list) return g_list_prepend(list, data);
672 if (!link) return g_list_append(list, data);
674 new_list = g_list_alloc();
675 new_list->data = data;
679 link->prev->next = new_list;
680 new_list->prev = link->prev;
686 link->prev = new_list;
687 new_list->next = link;
692 GList *uig_list_insert_list(GList *parent, GList *insert_link, GList *list)
696 if (!insert_link) return g_list_concat(parent, list);
697 if (insert_link == parent) return g_list_concat(list, parent);
698 if (!parent) return list;
699 if (!list) return parent;
701 end = g_list_last(list);
703 if (insert_link->prev) insert_link->prev->next = list;
704 list->prev = insert_link->prev;
705 insert_link->prev = end;
706 end->next = insert_link;
710 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */