X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?a=blobdiff_plain;f=shell%2Fev-utils.c;h=540836fde5c2902c0426d73234abc4752672ee2d;hb=03a4afa9aeab342a63530db46888e405ea1c8afc;hp=cf8a67c85bd8189dd1a9e81548379e502dacaf92;hpb=ca0836cb912f3b88834cae97774079314727c6e2;p=evince.git diff --git a/shell/ev-utils.c b/shell/ev-utils.c index cf8a67c8..540836fd 100644 --- a/shell/ev-utils.c +++ b/shell/ev-utils.c @@ -18,8 +18,14 @@ * */ +#include + #include "ev-utils.h" +#include "ev-file-helpers.h" + +#include #include +#include typedef struct { @@ -177,3 +183,260 @@ ev_pixbuf_add_shadow (GdkPixbuf *src, int size, } +/* Simple function to output the contents of a region. Used solely for testing + * the region code. + */ +void +ev_print_region_contents (GdkRegion *region) +{ + GdkRectangle *rectangles = NULL; + gint n_rectangles, i; + + if (region == NULL) { + g_print ("\n"); + return; + } + + g_print ("\n", region); + gdk_region_get_rectangles (region, &rectangles, &n_rectangles); + for (i = 0; i < n_rectangles; i++) { + g_print ("\t(%d %d, %d %d) [%dx%d]\n", + rectangles[i].x, + rectangles[i].y, + rectangles[i].x + rectangles[i].width, + rectangles[i].y + rectangles[i].height, + rectangles[i].width, + rectangles[i].height); + } + g_free (rectangles); +} + +static void +ev_gui_sanitise_popup_position (GtkMenu *menu, + GtkWidget *widget, + gint *x, + gint *y) +{ + GdkScreen *screen = gtk_widget_get_screen (widget); + gint monitor_num; + GdkRectangle monitor; + GtkRequisition req; + + g_return_if_fail (widget != NULL); + + gtk_widget_size_request (GTK_WIDGET (menu), &req); + + monitor_num = gdk_screen_get_monitor_at_point (screen, *x, *y); + gtk_menu_set_monitor (menu, monitor_num); + gdk_screen_get_monitor_geometry (screen, monitor_num, &monitor); + + *x = CLAMP (*x, monitor.x, monitor.x + MAX (0, monitor.width - req.width)); + *y = CLAMP (*y, monitor.y, monitor.y + MAX (0, monitor.height - req.height)); +} + +void +ev_gui_menu_position_tree_selection (GtkMenu *menu, + gint *x, + gint *y, + gboolean *push_in, + gpointer user_data) +{ + GtkTreeSelection *selection; + GList *selected_rows; + GtkTreeModel *model; + GtkTreeView *tree_view = GTK_TREE_VIEW (user_data); + GtkWidget *widget = GTK_WIDGET (user_data); + GtkRequisition req; + GdkRectangle visible; + + gtk_widget_size_request (GTK_WIDGET (menu), &req); + gdk_window_get_origin (widget->window, x, y); + + *x += (widget->allocation.width - req.width) / 2; + + /* Add on height for the treeview title */ + gtk_tree_view_get_visible_rect (tree_view, &visible); + *y += widget->allocation.height - visible.height; + + selection = gtk_tree_view_get_selection (tree_view); + selected_rows = gtk_tree_selection_get_selected_rows (selection, &model); + if (selected_rows) + { + GdkRectangle cell_rect; + + gtk_tree_view_get_cell_area (tree_view, selected_rows->data, + NULL, &cell_rect); + + *y += CLAMP (cell_rect.y + cell_rect.height, 0, visible.height); + + g_list_foreach (selected_rows, (GFunc)gtk_tree_path_free, NULL); + g_list_free (selected_rows); + } + + ev_gui_sanitise_popup_position (menu, widget, x, y); +} + +/** + * get_num_monitors: Get the number of user monitors. + * @window: optional GtkWindow to look at. + * + * Returns: Number of monitors, -1 if uncertain situation (like multiple screens) + */ +gint +get_num_monitors (GtkWindow *window) +{ + GdkDisplay *display; + GdkScreen *screen; + gint num_screen; + + display = gdk_display_get_default (); + num_screen = gdk_display_get_n_screens (display); + + if (num_screen != 1) + return -1; + + if (window) + screen = gtk_window_get_screen (window); + else + screen = gdk_display_get_screen (display, 0); + + return gdk_screen_get_n_monitors (screen); +} + +gdouble +get_screen_dpi (GtkWindow *window) +{ + GdkScreen *screen; + gdouble xdpi, ydpi; + + screen = gtk_window_get_screen (window); + + xdpi = 25.4 * gdk_screen_get_width (screen) / gdk_screen_get_width_mm (screen); + ydpi = 25.4 * gdk_screen_get_height (screen) / gdk_screen_get_height_mm (screen); + + return (xdpi + ydpi) / 2.0; +} + + +void +file_chooser_dialog_add_writable_pixbuf_formats (GtkFileChooser *chooser) +{ + GSList *pixbuf_formats = NULL; + GSList *iter; + GtkFileFilter *filter; + int i; + + filter = gtk_file_filter_new(); + gtk_file_filter_set_name (filter, _("By extension")); + g_object_set_data (G_OBJECT(filter), "pixbuf-format", NULL); + gtk_file_chooser_add_filter (chooser, filter); + + pixbuf_formats = gdk_pixbuf_get_formats (); + + for (iter = pixbuf_formats; iter; iter = iter->next) { + GdkPixbufFormat *format = iter->data; + + gchar *description, *name, *extensions; + gchar **extension_list, **mime_types; + + if (gdk_pixbuf_format_is_disabled (format) || + !gdk_pixbuf_format_is_writable (format)) + continue; + + name = gdk_pixbuf_format_get_description (format); + extension_list = gdk_pixbuf_format_get_extensions (format); + extensions = g_strjoinv (", ", extension_list); + g_strfreev (extension_list); + description = g_strdup_printf ("%s (%s)", name, extensions); + + filter = gtk_file_filter_new (); + gtk_file_filter_set_name (filter, description); + g_object_set_data (G_OBJECT (filter), "pixbuf-format", format); + gtk_file_chooser_add_filter (chooser, filter); + + g_free (description); + g_free (extensions); + g_free (name); + + mime_types = gdk_pixbuf_format_get_mime_types (format); + for (i = 0; mime_types[i] != 0; i++) + gtk_file_filter_add_mime_type (filter, mime_types[i]); + g_strfreev (mime_types); + } + + g_slist_free (pixbuf_formats); +} + +GdkPixbufFormat* +get_gdk_pixbuf_format_by_extension (gchar *uri) +{ + GSList *pixbuf_formats = NULL; + GSList *iter; + int i; + + pixbuf_formats = gdk_pixbuf_get_formats (); + + for (iter = pixbuf_formats; iter; iter = iter->next) { + gchar **extension_list; + GdkPixbufFormat *format = iter->data; + + if (gdk_pixbuf_format_is_disabled (format) || + !gdk_pixbuf_format_is_writable (format)) + continue; + + extension_list = gdk_pixbuf_format_get_extensions (format); + + for (i = 0; extension_list[i] != 0; i++) { + if (g_str_has_suffix (uri, extension_list[i])) { + g_slist_free (pixbuf_formats); + g_strfreev (extension_list); + return format; + } + } + g_strfreev (extension_list); + } + + g_slist_free (pixbuf_formats); + return NULL; +} + +#define XDIGIT(c) ((c) <= '9' ? (c) - '0' : ((c) & 0x4F) - 'A' + 10) +#define HEXCHAR(s) ((XDIGIT (s[1]) << 4) + XDIGIT (s[2])) + +static char * +uri_decoded_copy (const char *part, int length) +{ + unsigned char *s, *d; + char *decoded = g_strndup (part, length); + + s = d = (unsigned char *)decoded; + do { + if (*s == '%') { + if (!g_ascii_isxdigit (s[1]) || + !g_ascii_isxdigit (s[2])) { + g_free (decoded); + return NULL; + } + *d++ = HEXCHAR (s); + s += 2; + } else + *d++ = *s; + } while (*s++); + + return decoded; +} + +char* escape_uri_for_display (const char *uri) +{ + GFile *file; + char *disp; + char *filename; + + file = g_file_new_for_uri (uri); + filename = g_file_get_parse_name (file); + disp = uri_decoded_copy (filename, strlen (filename)); + g_free (filename); + g_object_unref (file); + + return disp; +}