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GtkFontChooser: Stub code to handle empty list by search.

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This commit is contained in:
Alberto Ruiz 2011-07-27 23:24:15 +01:00 committed by Matthias Clasen
parent 66a7add23f
commit d33088a805
1 changed files with 70 additions and 4 deletions
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74
gtk/gtkfontchooser.c
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@ -34,6 +34,7 @@
#include "gtklabel.h"
#include "gtkliststore.h"
#include "gtkstock.h"
#include "gtktextview.h"
#include "gtktreeselection.h"
#include "gtktreeview.h"
#include "gtkbox.h"
@ -76,6 +77,8 @@ struct _GtkFontChooserPrivate
{
GtkWidget *search_entry;
GtkWidget *family_face_list;
GtkWidget *list_scrolled_window;
GtkWidget *empty_list;
GtkListStore *model;
GtkTreeModel *filter;
@ -107,6 +110,8 @@ struct _GtkFontChooserPrivate
#define ROW_FORMAT_STRING "<span weight=\"bold\" size=\"small\">%s</span>\n<span size=\"x-large\" font_desc=\"%s\">%s</span>"
#define NO_FONT_MATCHED_SEARCH "No fonts matched your serach entry.You can revise your serach and try again."
/* These are what we use as the standard font sizes, for the size list.
*/
static const gint font_sizes[] = {
@ -477,6 +482,51 @@ zoom_preview_cb (GtkWidget *scrolled_window,
return TRUE;
}
#if 0
static void
row_inserted_cb (GtkTreeModel *model,
GtkTreePath *path,
GtkTreeIter *iter,
gpointer user_data)
{
GtkFontChooser *fontchooser = (GtkFontChooser*)user_data;
GtkFontChooserPrivate *priv = fontchooser->priv;
if (gtk_bin_get_child (GTK_BIN (priv->list_scrolled_window)) ==
priv->empty_list)
{
g_object_ref (priv->empty_list);
gtk_container_remove (GTK_CONTAINER (priv->list_scrolled_window),
priv->empty_list);
gtk_container_add (GTK_CONTAINER (priv->list_scrolled_window),
priv->family_face_list);
}
}
static void
row_deleted_cb (GtkTreeModel *model,
GtkTreePath *path,
gpointer user_data)
{
GtkFontChooser *fontchooser = (GtkFontChooser*)user_data;
GtkFontChooserPrivate *priv = fontchooser->priv;
if (gtk_tree_model_iter_n_children (model, NULL) == 0)
{
if (gtk_bin_get_child (GTK_BIN (priv->list_scrolled_window)) ==
priv->family_face_list)
{
g_object_ref (priv->family_face_list);
gtk_container_remove (GTK_CONTAINER (priv->list_scrolled_window),
priv->family_face_list);
gtk_container_add (GTK_CONTAINER (priv->list_scrolled_window),
priv->empty_list);
}
}
}
#endif
static void
gtk_font_chooser_init (GtkFontChooser *fontchooser)
{
@ -520,12 +570,20 @@ gtk_font_chooser_init (GtkFontChooser *fontchooser)
gtk_box_set_spacing (GTK_BOX (fontchooser), 6);
/* Main font family/face view */
scrolled_win = gtk_scrolled_window_new (NULL, NULL);
priv->list_scrolled_window = gtk_scrolled_window_new (NULL, NULL);
scrolled_win = priv->list_scrolled_window;
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled_win),
GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (scrolled_win),
GTK_SHADOW_ETCHED_IN);
gtk_container_add (GTK_CONTAINER (scrolled_win), priv->family_face_list);
gtk_container_add (GTK_CONTAINER (scrolled_win),
priv->family_face_list);
/* Text to display when list is empty */
priv->empty_list = gtk_text_view_new ();
gtk_text_buffer_set_text (gtk_text_view_get_buffer (GTK_TEXT_VIEW (priv->empty_list)),
_(NO_FONT_MATCHED_SEARCH),
-1);
/* Basic layout */
grid = gtk_grid_new ();
@ -537,9 +595,9 @@ gtk_font_chooser_init (GtkFontChooser *fontchooser)
gtk_widget_set_margin_right (priv->size_slider, 6);
gtk_grid_attach (GTK_GRID (grid), priv->search_entry, 0, 0, 3, 1);
gtk_grid_attach (GTK_GRID (grid), scrolled_win, 0, 1, 3, 1);
gtk_grid_attach (GTK_GRID (grid), scrolled_win, 0, 1, 3, 1);
gtk_grid_attach (GTK_GRID (grid), priv->preview, 0, 2, 3, 1);
gtk_grid_attach (GTK_GRID (grid), sub_grid, 0, 3, 3, 1);
gtk_grid_attach (GTK_GRID (grid), sub_grid, 0, 4, 3, 1);
gtk_widget_set_hexpand (GTK_WIDGET (sub_grid), TRUE);
gtk_grid_attach (GTK_GRID (sub_grid), priv->size_slider, 0, 3, 2, 1);
@ -607,6 +665,14 @@ gtk_font_chooser_init (GtkFontChooser *fontchooser)
G_CALLBACK (zoom_preview_cb), fontchooser);
set_range_marks (priv, priv->size_slider, (gint*)font_sizes, G_N_ELEMENTS (font_sizes));
/* Font list empty hides the scrolledwindow */
/*
g_signal_connect (G_OBJECT (priv->filter), "row-deleted",
G_CALLBACK (row_deleted_cb), fontchooser);
g_signal_connect (G_OBJECT (priv->filter), "row-inserted",
G_CALLBACK (row_inserted_cb), fontchooser);
*/
/* Set default focus */
gtk_widget_pop_composite_child();