+++ /dev/null
-/*
- * (SLIK) SimpLIstic sKin functions
- * (C) 2004 John Ellis
- * Copyright (C) 2008 - 2012 The Geeqie Team
- *
- * Author: John Ellis
- *
- * This software is released under the GNU General Public License (GNU GPL).
- * Please read the included file COPYING for more information.
- * This software comes with no warranty of any kind, use at your own risk!
- */
-
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-#include "intl.h"
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include <gtk/gtk.h>
-#include <gdk/gdkkeysyms.h>
-
-#include "ui_tree_edit.h"
-
-/*
- *-------------------------------------------------------------------
- * cell popup editor
- *-------------------------------------------------------------------
- */
-
-static void tree_edit_close(TreeEditData *ted)
-{
- gtk_grab_remove(ted->window);
- gdk_keyboard_ungrab(GDK_CURRENT_TIME);
- gdk_pointer_ungrab(GDK_CURRENT_TIME);
-
- gtk_widget_destroy(ted->window);
-
- g_free(ted->old_name);
- g_free(ted->new_name);
- gtk_tree_path_free(ted->path);
-
- g_free(ted);
-}
-
-static void tree_edit_do(TreeEditData *ted)
-{
- ted->new_name = g_strdup(gtk_entry_get_text(GTK_ENTRY(ted->entry)));
-
- if (strcmp(ted->new_name, ted->old_name) != 0)
- {
- if (ted->edit_func)
- {
- if (ted->edit_func(ted, ted->old_name, ted->new_name, ted->edit_data))
- {
- /* hmm, should the caller be required to set text instead ? */
- }
- }
- }
-}
-
-static gboolean tree_edit_click_end_cb(GtkWidget *widget, GdkEventButton *event, gpointer data)
-{
- TreeEditData *ted = data;
-
- tree_edit_do(ted);
- tree_edit_close(ted);
-
- return TRUE;
-}
-
-static gboolean tree_edit_click_cb(GtkWidget *widget, GdkEventButton *event, gpointer data)
-{
- TreeEditData *ted = data;
- GdkWindow *window = gtk_widget_get_window(ted->window);
-
- gint x, y;
- gint w, h;
-
- gint xr, yr;
-
- xr = (gint)event->x_root;
- yr = (gint)event->y_root;
-
- gdk_window_get_origin(window, &x, &y);
- w = gdk_window_get_width(window);
- h = gdk_window_get_height(window);
-
- if (xr < x || yr < y || xr > x + w || yr > y + h)
- {
- /* gobble the release event, so it does not propgate to an underlying widget */
- g_signal_connect(G_OBJECT(ted->window), "button_release_event",
- G_CALLBACK(tree_edit_click_end_cb), ted);
- return TRUE;
- }
- return FALSE;
-}
-
-static gboolean tree_edit_key_press_cb(GtkWidget *widget, GdkEventKey *event, gpointer data)
-{
- TreeEditData *ted = data;
-
- switch (event->keyval)
- {
- case GDK_Return:
- case GDK_KP_Enter:
- case GDK_Tab: /* ok, we are going to intercept the focus change
- from keyboard and act like return was hit */
- case GDK_ISO_Left_Tab:
- case GDK_Up:
- case GDK_Down:
- case GDK_KP_Up:
- case GDK_KP_Down:
- case GDK_KP_Left:
- case GDK_KP_Right:
- tree_edit_do(ted);
- tree_edit_close(ted);
- break;
- case GDK_Escape:
- tree_edit_close(ted);
- break;
- default:
- break;
- }
-
- return FALSE;
-}
-
-static gboolean tree_edit_by_path_idle_cb(gpointer data)
-{
- TreeEditData *ted = data;
- GdkRectangle rect;
- gint x, y, w, h; /* geometry of cell within tree */
- gint wx, wy; /* geometry of tree from root window */
- gint sx, sw;
-
- gtk_tree_view_get_cell_area(ted->tree, ted->path, ted->column, &rect);
-
- x = rect.x;
- y = rect.y;
- w = rect.width + 4;
- h = rect.height + 4;
-
- if (gtk_tree_view_column_cell_get_position(ted->column, ted->cell, &sx, &sw))
- {
- x += sx;
- w = MAX(w - sx, sw);
- }
-
- gdk_window_get_origin(gtk_tree_view_get_bin_window(ted->tree), &wx, &wy);
-
- x += wx - 2; /* the -val is to 'fix' alignment of entry position */
- y += wy - 2;
-
- /* now show it */
- gtk_widget_set_size_request(ted->window, w, h);
- gtk_widget_realize(ted->window);
- gtk_window_move(GTK_WINDOW(ted->window), x, y);
- gtk_window_resize(GTK_WINDOW(ted->window), w, h);
- gtk_widget_show(ted->window);
-
- /* grab it */
- gtk_widget_grab_focus(ted->entry);
- /* explicitely set the focus flag for the entry, for some reason on popup windows this
- * is not set, and causes no edit cursor to appear ( popups not allowed focus? )
- */
- gtk_widget_grab_focus(ted->entry);
- gtk_grab_add(ted->window);
- gdk_pointer_grab(gtk_widget_get_window(ted->window), TRUE,
- GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | GDK_BUTTON_MOTION_MASK,
- NULL, NULL, GDK_CURRENT_TIME);
- gdk_keyboard_grab(gtk_widget_get_window(ted->window), TRUE, GDK_CURRENT_TIME);
-
- return FALSE;
-}
-
-gboolean tree_edit_by_path(GtkTreeView *tree, GtkTreePath *tpath, gint column, const gchar *text,
- gboolean (*edit_func)(TreeEditData *, const gchar *, const gchar *, gpointer), gpointer data)
-{
- TreeEditData *ted;
- GtkTreeViewColumn *tcolumn;
- GtkCellRenderer *cell = NULL;
- GList *list;
- GList *work;
-
- if (!edit_func) return FALSE;
-#if GTK_CHECK_VERSION(2,20,0)
- if (!gtk_widget_get_visible(GTK_WIDGET(tree))) return FALSE;
-#else
- if (!GTK_WIDGET_VISIBLE(tree)) return FALSE;
-#endif
-
- tcolumn = gtk_tree_view_get_column(tree, column);
- if (!tcolumn) return FALSE;
-
-#if GTK_CHECK_VERSION(2,18,0)
- list = gtk_cell_layout_get_cells(GTK_CELL_LAYOUT(tcolumn));
-#else
- list = gtk_tree_view_column_get_cell_renderers(tcolumn);
-#endif
- work = list;
- while (work && !cell)
- {
- cell = work->data;
- if (!GTK_IS_CELL_RENDERER_TEXT(cell))
- {
- cell = NULL;
- }
- work = work->next;
- }
-
- g_list_free(list);
- if (!cell) return FALSE;
-
- if (!text) text = "";
-
- ted = g_new0(TreeEditData, 1);
-
- ted->old_name = g_strdup(text);
-
- ted->edit_func = edit_func;
- ted->edit_data = data;
-
- ted->tree = tree;
- ted->path = gtk_tree_path_copy(tpath);
- ted->column = tcolumn;
- ted->cell = cell;
-
- gtk_tree_view_scroll_to_cell(ted->tree, ted->path, ted->column, FALSE, 0.0, 0.0);
-
- /* create the window */
-
- ted->window = gtk_window_new(GTK_WINDOW_POPUP);
- gtk_window_set_resizable(GTK_WINDOW(ted->window), FALSE);
- g_signal_connect(G_OBJECT(ted->window), "button_press_event",
- G_CALLBACK(tree_edit_click_cb), ted);
- g_signal_connect(G_OBJECT(ted->window), "key_press_event",
- G_CALLBACK(tree_edit_key_press_cb), ted);
-
- ted->entry = gtk_entry_new();
- gtk_entry_set_text(GTK_ENTRY(ted->entry), ted->old_name);
- gtk_editable_select_region(GTK_EDITABLE(ted->entry), 0, strlen(ted->old_name));
- gtk_container_add(GTK_CONTAINER(ted->window), ted->entry);
- gtk_widget_show(ted->entry);
-
- /* due to the fact that gtktreeview scrolls in an idle loop, we cannot
- * reliably get the cell position until those scroll priority signals are processed
- */
- g_idle_add_full(G_PRIORITY_DEFAULT_IDLE - 2, tree_edit_by_path_idle_cb, ted, NULL);
-
- return TRUE;
-}
-
-/*
- *-------------------------------------------------------------------
- * tree cell position retrieval
- *-------------------------------------------------------------------
- */
-
-gboolean tree_view_get_cell_origin(GtkTreeView *widget, GtkTreePath *tpath, gint column, gboolean text_cell_only,
- gint *x, gint *y, gint *width, gint *height)
-{
- gint x_origin, y_origin;
- gint x_offset, y_offset;
- gint header_size;
- GtkTreeViewColumn *tv_column;
- GdkRectangle rect;
-
- tv_column = gtk_tree_view_get_column(widget, column);
- if (!tv_column || !tpath) return FALSE;
-
- /* hmm, appears the rect will not account for X scroll, but does for Y scroll
- * use x_offset instead for X scroll (sigh)
- */
- gtk_tree_view_get_cell_area(widget, tpath, tv_column, &rect);
-#if GTK_CHECK_VERSION(2,12,0)
- gtk_tree_view_convert_tree_to_widget_coords(widget, 0, 0, &x_offset, &y_offset);
-#else
- gtk_tree_view_tree_to_widget_coords(widget, 0, 0, &x_offset, &y_offset);
-#endif
- gdk_window_get_origin(gtk_widget_get_window(GTK_WIDGET(widget)), &x_origin, &y_origin);
-
- if (gtk_tree_view_get_headers_visible(widget))
- {
- GtkAllocation allocation;
-#if GTK_CHECK_VERSION(3,0,0)
- gtk_widget_get_allocation(gtk_tree_view_column_get_button(tv_column), &allocation);
-#else
- gtk_widget_get_allocation(tv_column->button, &allocation);
-#endif
- header_size = allocation.height;
- }
- else
- {
- header_size = 0;
- }
-
- if (text_cell_only)
- {
- GtkCellRenderer *cell = NULL;
- GList *renderers;
- GList *work;
- gint cell_x;
- gint cell_width;
-
-#if GTK_CHECK_VERSION(2,18,0)
- renderers = gtk_cell_layout_get_cells(GTK_CELL_LAYOUT(tv_column));
-#else
- renderers = gtk_tree_view_column_get_cell_renderers(tv_column);
-#endif
- work = renderers;
- while (work && !cell)
- {
- cell = work->data;
- work = work->next;
- if (!GTK_IS_CELL_RENDERER_TEXT(cell)) cell = NULL;
- }
- g_list_free(renderers);
-
- if (!cell) return FALSE;
-
- if (!gtk_tree_view_column_cell_get_position(tv_column, cell, &cell_x, &cell_width))
- {
- cell_x = 0;
- cell_width = rect.width;
- }
- *x = x_origin + x_offset + rect.x + cell_x;
- *width = cell_width;
- }
- else
- {
- *x = x_origin + x_offset + rect.x;
- *width = rect.width;
- }
- *y = y_origin + rect.y + header_size;
- *height = rect.height;
- return TRUE;
-}
-
-void tree_view_get_cell_clamped(GtkTreeView *widget, GtkTreePath *tpath, gint column, gboolean text_cell_only,
- gint *x, gint *y, gint *width, gint *height)
-{
- gint wx, wy, ww, wh;
- GdkWindow *window;
-
- window = gtk_widget_get_window(GTK_WIDGET(widget));
- gdk_window_get_origin(window, &wx, &wy);
-
- ww = gdk_window_get_width(window);
- wh = gdk_window_get_height(window);
-
- if (!tree_view_get_cell_origin(widget, tpath, column, text_cell_only, x, y, width, height))
- {
- *x = wx;
- *y = wy;
- *width = ww;
- *height = wh;
- return;
- }
-
- *width = MIN(*width, ww);
- *x = CLAMP(*x, wx, wx + ww - (*width));
- *y = CLAMP(*y, wy, wy + wh);
- *height = MIN(*height, wy + wh - (*y));
-}
-
-#if GTK_CHECK_VERSION(2,8,0)
-/* an implementation that uses gtk_tree_view_get_visible_range */
-gint tree_view_row_get_visibility(GtkTreeView *widget, GtkTreeIter *iter, gboolean fully_visible)
-{
- GtkTreeModel *store;
- GtkTreePath *tpath, *start_path, *end_path;
- gint ret = 0;
-
- 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 */
-
- store = gtk_tree_view_get_model(widget);
- tpath = gtk_tree_model_get_path(store, iter);
-
- if (fully_visible)
- {
- if (gtk_tree_path_compare(tpath, start_path) <= 0)
- {
- ret = -1;
- }
- else if (gtk_tree_path_compare(tpath, end_path) >= 0)
- {
- ret = 1;
- }
- }
- else
- {
- if (gtk_tree_path_compare(tpath, start_path) < 0)
- {
- ret = -1;
- }
- else if (gtk_tree_path_compare(tpath, end_path) > 0)
- {
- ret = 1;
- }
- }
-
- gtk_tree_path_free(tpath);
- gtk_tree_path_free(start_path);
- gtk_tree_path_free(end_path);
- return ret;
-}
-
-#else
-/* an implementation that uses gtk_tree_view_get_visible_rect, it seems to be more error prone than the variant above */
-
-gint tree_view_row_get_visibility(GtkTreeView *widget, GtkTreeIter *iter, gboolean fully_visible)
-{
- GtkTreeModel *store;
- GtkTreePath *tpath;
- gint cx, cy;
-
- GdkRectangle vrect;
- GdkRectangle crect;
-
- if (!GTK_WIDGET_REALIZED(GTK_WIDGET(widget))) return -1; /* we will most probably scroll down, needed for tree_view_row_make_visible */
-
- store = gtk_tree_view_get_model(widget);
- tpath = gtk_tree_model_get_path(store, iter);
-
- gtk_tree_view_get_visible_rect(widget, &vrect);
- gtk_tree_view_get_cell_area(widget, tpath, NULL, &crect);
- gtk_tree_path_free(tpath);
-
-
-#if GTK_CHECK_VERSION(2,12,0)
- gtk_tree_view_convert_widget_to_tree_coords(widget, crect.x, crect.y, &cx, &cy);
-#else
- gtk_tree_view_widget_to_tree_coords(widget, crect.x, crect.y, &cx, &cy);
-#endif
-
- if (fully_visible)
- {
- if (cy < vrect.y) return -1;
- if (cy + crect.height > vrect.y + vrect.height) return 1;
- return 0;
- }
-
- if (cy + crect.height < vrect.y) return -1;
- if (cy > vrect.y + vrect.height) return 1;
- return 0;
-}
-#endif
-
-gint tree_view_row_make_visible(GtkTreeView *widget, GtkTreeIter *iter, gboolean center)
-{
- GtkTreePath *tpath;
- gint vis;
-
- vis = tree_view_row_get_visibility(widget, iter, TRUE);
-
- tpath = gtk_tree_model_get_path(gtk_tree_view_get_model(widget), iter);
- if (center && vis != 0)
- {
- gtk_tree_view_scroll_to_cell(widget, tpath, NULL, TRUE, 0.5, 0.0);
- }
- else if (vis < 0)
- {
- gtk_tree_view_scroll_to_cell(widget, tpath, NULL, TRUE, 0.0, 0.0);
- }
- else if (vis > 0)
- {
- gtk_tree_view_scroll_to_cell(widget, tpath, NULL, TRUE, 1.0, 0.0);
- }
- gtk_tree_path_free(tpath);
-
- return vis;
-}
-
-gboolean tree_view_move_cursor_away(GtkTreeView *widget, GtkTreeIter *iter, gboolean only_selected)
-{
- GtkTreeModel *store;
- GtkTreePath *tpath;
- GtkTreePath *fpath;
- gboolean move = FALSE;
-
- if (!iter) return FALSE;
-
- store = gtk_tree_view_get_model(widget);
- tpath = gtk_tree_model_get_path(store, iter);
- gtk_tree_view_get_cursor(widget, &fpath, NULL);
-
- if (fpath && gtk_tree_path_compare(tpath, fpath) == 0)
- {
- GtkTreeSelection *selection;
-
- selection = gtk_tree_view_get_selection(widget);
-
- if (!only_selected ||
- gtk_tree_selection_path_is_selected(selection, tpath))
- {
- GtkTreeIter current;
-
- current = *iter;
- if (gtk_tree_model_iter_next(store, ¤t))
- {
- gtk_tree_path_next(tpath);
- move = TRUE;
- }
- else if (gtk_tree_path_prev(tpath) &&
- gtk_tree_model_get_iter(store, ¤t, tpath))
- {
- move = TRUE;
- }
-
- if (move)
- {
- gtk_tree_view_set_cursor(widget, tpath, NULL, FALSE);
- }
- }
- }
-
- gtk_tree_path_free(tpath);
- if (fpath) gtk_tree_path_free(fpath);
-
- return move;
-}
-
-gint tree_path_to_row(GtkTreePath *tpath)
-{
- gint *indices;
-
- indices = gtk_tree_path_get_indices(tpath);
- if (indices) return indices[0];
-
- return -1;
-}
-
-
-/*
- *-------------------------------------------------------------------
- * color utilities
- *-------------------------------------------------------------------
- */
-
-void shift_color(GdkColor *src, gshort val, gint direction)
-{
- gshort cs;
-
- if (val == -1)
- {
- val = STYLE_SHIFT_STANDARD;
- }
- else
- {
- val = CLAMP(val, 1, 100);
- }
- cs = 0xffff / 100 * val;
-
- /* up or down ? */
- if (direction < 0 ||
- (direction == 0 &&((gint)src->red + (gint)src->green + (gint)src->blue) / 3 > 0xffff / 2))
- {
- src->red = MAX(0 , src->red - cs);
- src->green = MAX(0 , src->green - cs);
- src->blue = MAX(0 , src->blue - cs);
- }
- else
- {
- src->red = MIN(0xffff, src->red + cs);
- src->green = MIN(0xffff, src->green + cs);
- src->blue = MIN(0xffff, src->blue + cs);
- }
-}
-
-/* darkens or lightens a style's color for given state
- * esp. useful for alternating dark/light in (c)lists
- */
-void style_shift_color(GtkStyle *style, GtkStateType type, gshort shift_value, gint direction)
-{
- if (!style) return;
-
- shift_color(&style->base[type], shift_value, direction);
- shift_color(&style->bg[type], shift_value, direction);
-}
-
-/*
- *-------------------------------------------------------------------
- * auto scroll by mouse position
- *-------------------------------------------------------------------
- */
-
-#define AUTO_SCROLL_DEFAULT_SPEED 100
-#define AUTO_SCROLL_DEFAULT_REGION 20
-
-typedef struct _AutoScrollData AutoScrollData;
-struct _AutoScrollData
-{
- guint timer_id; /* event source id */
- gint region_size;
- GtkWidget *widget;
- GtkAdjustment *adj;
- gint max_step;
-
- gint (*notify_func)(GtkWidget *, gint, gint, gpointer);
- gpointer notify_data;
-};
-
-void widget_auto_scroll_stop(GtkWidget *widget)
-{
- AutoScrollData *sd;
-
- sd = g_object_get_data(G_OBJECT(widget), "autoscroll");
- if (!sd) return;
- g_object_set_data(G_OBJECT(widget), "autoscroll", NULL);
-
- if (sd->timer_id) g_source_remove(sd->timer_id);
- g_free(sd);
-}
-
-static gboolean widget_auto_scroll_cb(gpointer data)
-{
- AutoScrollData *sd = data;
- GdkWindow *window;
- gint x, y;
- gint w, h;
- gint amt = 0;
-
- if (sd->max_step < sd->region_size)
- {
- sd->max_step = MIN(sd->region_size, sd->max_step + 2);
- }
-
- window = gtk_widget_get_window(sd->widget);
- gdk_window_get_pointer(window, &x, &y, NULL);
- w = gdk_window_get_width(window);
- h = gdk_window_get_height(window);
-
- if (x < 0 || x >= w || y < 0 || y >= h)
- {
- sd->timer_id = 0;
- widget_auto_scroll_stop(sd->widget);
- return FALSE;
- }
-
- if (h < sd->region_size * 3)
- {
- /* height is cramped, nicely divide into three equal regions */
- if (y < h / 3 || y > h / 3 * 2)
- {
- amt = (y < h / 2) ? 0 - ((h / 2) - y) : y - (h / 2);
- }
- }
- else if (y < sd->region_size)
- {
- amt = 0 - (sd->region_size - y);
- }
- else if (y >= h - sd->region_size)
- {
- amt = y - (h - sd->region_size);
- }
-
- if (amt != 0)
- {
- amt = CLAMP(amt, 0 - sd->max_step, sd->max_step);
-
- 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)))
- {
- /* only notify when scrolling is needed */
- if (sd->notify_func && !sd->notify_func(sd->widget, x, y, sd->notify_data))
- {
- sd->timer_id = 0;
- widget_auto_scroll_stop(sd->widget);
- return FALSE;
- }
-
- gtk_adjustment_set_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)));
- }
- }
-
- return TRUE;
-}
-
-gint widget_auto_scroll_start(GtkWidget *widget, GtkAdjustment *v_adj, gint scroll_speed, gint region_size,
- gint (*notify_func)(GtkWidget *widget, gint x, gint y, gpointer data), gpointer notify_data)
-{
- AutoScrollData *sd;
-
- if (!widget || !v_adj) return 0;
- if (g_object_get_data(G_OBJECT(widget), "autoscroll")) return 0;
- if (scroll_speed < 1) scroll_speed = AUTO_SCROLL_DEFAULT_SPEED;
- if (region_size < 1) region_size = AUTO_SCROLL_DEFAULT_REGION;
-
- sd = g_new0(AutoScrollData, 1);
- sd->widget = widget;
- sd->adj = v_adj;
- sd->region_size = region_size;
- sd->max_step = 1;
- sd->timer_id = g_timeout_add(scroll_speed, widget_auto_scroll_cb, sd);
-
- sd->notify_func = notify_func;
- sd->notify_data = notify_data;
-
- g_object_set_data(G_OBJECT(widget), "autoscroll", sd);
-
- return scroll_speed;
-}
-
-
-/*
- *-------------------------------------------------------------------
- * GList utils
- *-------------------------------------------------------------------
- */
-
-GList *uig_list_insert_link(GList *list, GList *link, gpointer data)
-{
- GList *new_list;
-
- if (!list || link == list) return g_list_prepend(list, data);
- if (!link) return g_list_append(list, data);
-
- new_list = g_list_alloc();
- new_list->data = data;
-
- if (link->prev)
- {
- link->prev->next = new_list;
- new_list->prev = link->prev;
- }
- else
- {
- list = new_list;
- }
- link->prev = new_list;
- new_list->next = link;
-
- return list;
-}
-
-GList *uig_list_insert_list(GList *parent, GList *insert_link, GList *list)
-{
- GList *end;
-
- if (!insert_link) return g_list_concat(parent, list);
- if (insert_link == parent) return g_list_concat(list, parent);
- if (!parent) return list;
- if (!list) return parent;
-
- end = g_list_last(list);
-
- if (insert_link->prev) insert_link->prev->next = list;
- list->prev = insert_link->prev;
- insert_link->prev = end;
- end->next = insert_link;
-
- return parent;
-}
-/* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */
projects / geeqie.git / blobdiff