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.
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 g_object_unref(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(gq_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 *, GdkEventButton *, gpointer data)
68 auto ted = static_cast<TreeEditData *>(data);
76 static gboolean tree_edit_click_cb(GtkWidget *, GdkEventButton *event, gpointer data)
78 auto ted = static_cast<TreeEditData *>(data);
79 GdkWindow *window = gtk_widget_get_window(ted->window);
86 xr = static_cast<gint>(event->x_root);
87 yr = static_cast<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 *, GdkEventKey *event, gpointer data)
105 auto ted = static_cast<TreeEditData *>(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 auto ted = static_cast<TreeEditData *>(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_widget_get_window(gtk_widget_get_parent(GTK_WIDGET(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 gq_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 /* explicitly 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 static_cast<GdkEventMask>(GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | GDK_BUTTON_MOTION_MASK),
175 nullptr, nullptr, GDK_CURRENT_TIME);
176 gdk_keyboard_grab(gtk_widget_get_window(ted->window), TRUE, GDK_CURRENT_TIME);
178 return G_SOURCE_REMOVE;
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 = nullptr;
190 if (!edit_func) return FALSE;
191 if (!gtk_widget_get_visible(GTK_WIDGET(tree))) return FALSE;
193 tcolumn = gtk_tree_view_get_column(tree, column);
194 if (!tcolumn) return FALSE;
196 list = gtk_cell_layout_get_cells(GTK_CELL_LAYOUT(tcolumn));
198 while (work && !cell)
200 cell = static_cast<GtkCellRenderer *>(work->data);
201 if (!GTK_IS_CELL_RENDERER_TEXT(cell))
209 if (!cell) return FALSE;
211 if (!text) text = "";
213 ted = g_new0(TreeEditData, 1);
215 ted->old_name = g_strdup(text);
217 ted->edit_func = edit_func;
218 ted->edit_data = data;
221 ted->path = gtk_tree_path_copy(tpath);
222 ted->column = tcolumn;
225 gtk_tree_view_scroll_to_cell(ted->tree, ted->path, ted->column, TRUE, 0.5, 0.0);
227 /* create the window */
229 ted->window = gtk_window_new(GTK_WINDOW_POPUP);
230 gtk_window_set_resizable(GTK_WINDOW(ted->window), FALSE);
231 g_signal_connect(G_OBJECT(ted->window), "button_press_event",
232 G_CALLBACK(tree_edit_click_cb), ted);
233 g_signal_connect(G_OBJECT(ted->window), "key_press_event",
234 G_CALLBACK(tree_edit_key_press_cb), ted);
236 ted->entry = gtk_entry_new();
237 gq_gtk_entry_set_text(GTK_ENTRY(ted->entry), ted->old_name);
238 gtk_editable_select_region(GTK_EDITABLE(ted->entry), 0, strlen(ted->old_name));
239 gq_gtk_container_add(GTK_WIDGET(ted->window), ted->entry);
240 gtk_widget_show(ted->entry);
242 /* due to the fact that gtktreeview scrolls in an idle loop, we cannot
243 * reliably get the cell position until those scroll priority signals are processed
245 g_idle_add_full(G_PRIORITY_DEFAULT_IDLE - 2, tree_edit_by_path_idle_cb, ted, nullptr);
251 *-------------------------------------------------------------------
252 * tree cell position retrieval
253 *-------------------------------------------------------------------
256 gboolean tree_view_get_cell_origin(GtkTreeView *widget, GtkTreePath *tpath, gint column, gboolean text_cell_only,
257 gint *x, gint *y, gint *width, gint *height)
259 gint x_origin, y_origin;
260 gint x_offset, y_offset;
262 GtkTreeViewColumn *tv_column;
265 tv_column = gtk_tree_view_get_column(widget, column);
266 if (!tv_column || !tpath) return FALSE;
268 /* hmm, appears the rect will not account for X scroll, but does for Y scroll
269 * use x_offset instead for X scroll (sigh)
271 gtk_tree_view_get_cell_area(widget, tpath, tv_column, &rect);
272 gtk_tree_view_convert_tree_to_widget_coords(widget, 0, 0, &x_offset, &y_offset);
273 gdk_window_get_origin(gtk_widget_get_window(GTK_WIDGET(widget)), &x_origin, &y_origin);
275 if (gtk_tree_view_get_headers_visible(widget))
277 GtkAllocation allocation;
278 gtk_widget_get_allocation(gtk_tree_view_column_get_button(tv_column), &allocation);
279 header_size = allocation.height;
288 GtkCellRenderer *cell = nullptr;
294 renderers = gtk_cell_layout_get_cells(GTK_CELL_LAYOUT(tv_column));
296 while (work && !cell)
298 cell = static_cast<GtkCellRenderer *>(work->data);
300 if (!GTK_IS_CELL_RENDERER_TEXT(cell)) cell = nullptr;
302 g_list_free(renderers);
304 if (!cell) return FALSE;
306 if (!gtk_tree_view_column_cell_get_position(tv_column, cell, &cell_x, &cell_width))
309 cell_width = rect.width;
311 *x = x_origin + x_offset + rect.x + cell_x;
316 *x = x_origin + x_offset + rect.x;
319 *y = y_origin + rect.y + header_size;
320 *height = rect.height;
324 void tree_view_get_cell_clamped(GtkTreeView *widget, GtkTreePath *tpath, gint column, gboolean text_cell_only,
325 gint *x, gint *y, gint *width, gint *height)
330 window = gtk_widget_get_window(GTK_WIDGET(widget));
331 gdk_window_get_origin(window, &wx, &wy);
333 ww = gdk_window_get_width(window);
334 wh = gdk_window_get_height(window);
336 if (!tree_view_get_cell_origin(widget, tpath, column, text_cell_only, x, y, width, height))
345 *width = MIN(*width, ww);
346 *x = CLAMP(*x, wx, wx + ww - (*width));
347 *y = CLAMP(*y, wy, wy + wh);
348 *height = MIN(*height, wy + wh - (*y));
351 /* an implementation that uses gtk_tree_view_get_visible_range */
352 gint tree_view_row_get_visibility(GtkTreeView *widget, GtkTreeIter *iter, gboolean fully_visible)
355 GtkTreePath *tpath, *start_path, *end_path;
358 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 */
360 store = gtk_tree_view_get_model(widget);
361 tpath = gtk_tree_model_get_path(store, iter);
365 if (gtk_tree_path_compare(tpath, start_path) <= 0)
369 else if (gtk_tree_path_compare(tpath, end_path) >= 0)
376 if (gtk_tree_path_compare(tpath, start_path) < 0)
380 else if (gtk_tree_path_compare(tpath, end_path) > 0)
386 gtk_tree_path_free(tpath);
387 gtk_tree_path_free(start_path);
388 gtk_tree_path_free(end_path);
392 gint tree_view_row_make_visible(GtkTreeView *widget, GtkTreeIter *iter, gboolean center)
397 vis = tree_view_row_get_visibility(widget, iter, TRUE);
399 tpath = gtk_tree_model_get_path(gtk_tree_view_get_model(widget), iter);
400 if (center && vis != 0)
402 gtk_tree_view_scroll_to_cell(widget, tpath, nullptr, TRUE, 0.5, 0.0);
406 gtk_tree_view_scroll_to_cell(widget, tpath, nullptr, TRUE, 0.0, 0.0);
410 gtk_tree_view_scroll_to_cell(widget, tpath, nullptr, TRUE, 1.0, 0.0);
412 gtk_tree_path_free(tpath);
417 gboolean tree_view_move_cursor_away(GtkTreeView *widget, GtkTreeIter *iter, gboolean only_selected)
422 gboolean move = FALSE;
424 if (!iter) return FALSE;
426 store = gtk_tree_view_get_model(widget);
427 tpath = gtk_tree_model_get_path(store, iter);
428 gtk_tree_view_get_cursor(widget, &fpath, nullptr);
430 if (fpath && gtk_tree_path_compare(tpath, fpath) == 0)
432 GtkTreeSelection *selection;
434 selection = gtk_tree_view_get_selection(widget);
436 if (!only_selected ||
437 gtk_tree_selection_path_is_selected(selection, tpath))
442 if (gtk_tree_model_iter_next(store, ¤t))
444 gtk_tree_path_next(tpath);
447 else if (gtk_tree_path_prev(tpath) &&
448 gtk_tree_model_get_iter(store, ¤t, tpath))
455 gtk_tree_view_set_cursor(widget, tpath, nullptr, FALSE);
460 gtk_tree_path_free(tpath);
461 if (fpath) gtk_tree_path_free(fpath);
466 #pragma GCC diagnostic push
467 #pragma GCC diagnostic ignored "-Wunused-function"
468 gint tree_path_to_row_unused(GtkTreePath *tpath)
472 indices = gtk_tree_path_get_indices(tpath);
473 if (indices) return indices[0];
477 #pragma GCC diagnostic pop
481 *-------------------------------------------------------------------
483 *-------------------------------------------------------------------
486 void shift_color(GdkRGBA *src, gshort val, gint direction)
492 val = STYLE_SHIFT_STANDARD;
496 val = CLAMP(val, 1, 100);
499 cs = 1.0 / 100 * val;
502 if (direction < 0 || (direction == 0 &&(static_cast<gdouble>(src->red) + static_cast<gdouble>(src->green) + static_cast<gdouble>(src->blue)) / 3 > 1.0 / 2))
504 src->red = MAX(0 , src->red - cs);
505 src->green = MAX(0 , src->green - cs);
506 src->blue = MAX(0 , src->blue - cs);
510 src->red = MIN(1.0, src->red + cs);
511 src->green = MIN(1.0, src->green + cs);
512 src->blue = MIN(1.0, src->blue + cs);
517 *-------------------------------------------------------------------
518 * auto scroll by mouse position
519 *-------------------------------------------------------------------
522 #define AUTO_SCROLL_DEFAULT_SPEED 100
523 #define AUTO_SCROLL_DEFAULT_REGION 20
525 struct AutoScrollData
527 guint timer_id; /* event source id */
533 gint (*notify_func)(GtkWidget *, gint, gint, gpointer);
534 gpointer notify_data;
537 void widget_auto_scroll_stop(GtkWidget *widget)
541 sd = static_cast<AutoScrollData *>(g_object_get_data(G_OBJECT(widget), "autoscroll"));
543 g_object_set_data(G_OBJECT(widget), "autoscroll", nullptr);
545 if (sd->timer_id) g_source_remove(sd->timer_id);
549 static gboolean widget_auto_scroll_cb(gpointer data)
551 auto sd = static_cast<AutoScrollData *>(data);
559 if (sd->max_step < sd->region_size)
561 sd->max_step = MIN(sd->region_size, sd->max_step + 2);
564 window = gtk_widget_get_window(sd->widget);
565 seat = gdk_display_get_default_seat(gdk_window_get_display(window));
566 device = gdk_seat_get_pointer(seat);
567 gdk_window_get_device_position(window, device, &x, &y, nullptr);
569 w = gdk_window_get_width(window);
570 h = gdk_window_get_height(window);
572 if (x < 0 || x >= w || y < 0 || y >= h)
575 widget_auto_scroll_stop(sd->widget);
579 if (h < sd->region_size * 3)
581 /* height is cramped, nicely divide into three equal regions */
582 if (y < h / 3 || y > h / 3 * 2)
584 amt = (y < h / 2) ? 0 - ((h / 2) - y) : y - (h / 2);
587 else if (y < sd->region_size)
589 amt = 0 - (sd->region_size - y);
591 else if (y >= h - sd->region_size)
593 amt = y - (h - sd->region_size);
598 amt = CLAMP(amt, 0 - sd->max_step, sd->max_step);
600 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)))
602 /* only notify when scrolling is needed */
603 if (sd->notify_func && !sd->notify_func(sd->widget, x, y, sd->notify_data))
606 widget_auto_scroll_stop(sd->widget);
610 gtk_adjustment_set_value(sd->adj,
611 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)));
618 gint widget_auto_scroll_start(GtkWidget *widget, GtkAdjustment *v_adj, gint scroll_speed, gint region_size,
619 gint (*notify_func)(GtkWidget *widget, gint x, gint y, gpointer data), gpointer notify_data)
623 if (!widget || !v_adj) return 0;
624 if (g_object_get_data(G_OBJECT(widget), "autoscroll")) return 0;
625 if (scroll_speed < 1) scroll_speed = AUTO_SCROLL_DEFAULT_SPEED;
626 if (region_size < 1) region_size = AUTO_SCROLL_DEFAULT_REGION;
628 sd = g_new0(AutoScrollData, 1);
631 sd->region_size = region_size;
633 sd->timer_id = g_timeout_add(scroll_speed, widget_auto_scroll_cb, sd);
635 sd->notify_func = notify_func;
636 sd->notify_data = notify_data;
638 g_object_set_data(G_OBJECT(widget), "autoscroll", sd);
645 *-------------------------------------------------------------------
647 *-------------------------------------------------------------------
650 GList *uig_list_insert_link(GList *list, GList *link, gpointer data)
654 if (!list || link == list) return g_list_prepend(list, data);
655 if (!link) return g_list_append(list, data);
657 new_list = g_list_alloc();
658 new_list->data = data;
662 link->prev->next = new_list;
663 new_list->prev = link->prev;
669 link->prev = new_list;
670 new_list->next = link;
675 GList *uig_list_insert_list(GList *parent, GList *insert_link, GList *list)
679 if (!insert_link) return g_list_concat(parent, list);
680 if (insert_link == parent) return g_list_concat(list, parent);
681 if (!parent) return list;
682 if (!list) return parent;
684 end = g_list_last(list);
686 if (insert_link->prev) insert_link->prev->next = list;
687 list->prev = insert_link->prev;
688 insert_link->prev = end;
689 end->next = insert_link;
693 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */