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gtk-demo: Improve the pickers demo

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"Two of every kind..." Add some customized pickers
here. This found a number of issues that have been
fixed in the preceding commits.
This commit is contained in:
Matthias Clasen 2020-09-20 10:57:19 -04:00
parent 256f845d89
commit d5e315c470
1 changed files with 75 additions and 5 deletions
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80
demos/gtk-demo/pickers.c
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@ -4,10 +4,34 @@
*
* These widgets are mainly intended for use in preference dialogs.
* They allow to select colors, fonts, files, directories and applications.
*
* This demo shows both the default appearance for these dialogs,
* as well as some of the customizations that are possible.
*/
#include <gtk/gtk.h>
static gboolean
filter_font_cb (const PangoFontFamily *family,
const PangoFontFace *face,
gpointer data)
{
const char *alias_families[] = {
"Cursive",
"Fantasy",
"Monospace",
"Sans",
"Serif",
"System-ui",
NULL
};
const char *family_name;
family_name = pango_font_family_get_name (PANGO_FONT_FAMILY (family));
return g_strv_contains (alias_families, family_name);
}
#define COLOR(r,g,b) { r/255., g/255., b/255., 1.0 }
GtkWidget *
@ -39,6 +63,9 @@ do_pickers (GtkWidget *do_widget)
if (!window)
{
char *dir;
GFile *file;
window = gtk_window_new ();
gtk_window_set_display (GTK_WINDOW (window),
gtk_widget_get_display (do_widget));
@ -54,10 +81,22 @@ do_pickers (GtkWidget *do_widget)
gtk_grid_set_column_spacing (GTK_GRID (table), 10);
gtk_window_set_child (GTK_WINDOW (window), table);
label = gtk_label_new ("Standard");
gtk_widget_add_css_class (label, "title-4");
gtk_grid_attach (GTK_GRID (table), label, 1, -1, 1, 1);
label = gtk_label_new ("Custom");
gtk_widget_add_css_class (label, "title-4");
gtk_grid_attach (GTK_GRID (table), label, 2, -1, 1, 1);
label = gtk_label_new ("Color:");
gtk_widget_set_halign (label, GTK_ALIGN_START);
gtk_widget_set_valign (label, GTK_ALIGN_CENTER);
gtk_widget_set_hexpand (label, TRUE);
gtk_grid_attach (GTK_GRID (table), label, 0, 0, 1, 1);
picker = gtk_color_button_new ();
gtk_grid_attach (GTK_GRID (table), picker, 1, 0, 1, 1);
picker = gtk_color_button_new ();
gtk_color_button_set_title (GTK_COLOR_BUTTON (picker), "Solarized colors");
gtk_color_chooser_add_palette (GTK_COLOR_CHOOSER (picker),
@ -65,27 +104,58 @@ do_pickers (GtkWidget *do_widget)
9,
18,
solarized);
gtk_grid_attach (GTK_GRID (table), label, 0, 0, 1, 1);
gtk_grid_attach (GTK_GRID (table), picker, 1, 0, 1, 1);
gtk_grid_attach (GTK_GRID (table), picker, 2, 0, 1, 1);
label = gtk_label_new ("Font:");
gtk_widget_set_halign (label, GTK_ALIGN_START);
gtk_widget_set_valign (label, GTK_ALIGN_CENTER);
gtk_widget_set_hexpand (label, TRUE);
picker = gtk_font_button_new ();
gtk_grid_attach (GTK_GRID (table), label, 0, 1, 1, 1);
picker = gtk_font_button_new ();
gtk_grid_attach (GTK_GRID (table), picker, 1, 1, 1, 1);
picker = gtk_font_button_new ();
gtk_font_chooser_set_level (GTK_FONT_CHOOSER (picker),
GTK_FONT_CHOOSER_LEVEL_FAMILY |
GTK_FONT_CHOOSER_LEVEL_SIZE);
gtk_font_chooser_set_filter_func (GTK_FONT_CHOOSER (picker), filter_font_cb, NULL, NULL);
gtk_grid_attach (GTK_GRID (table), picker, 2, 1, 1, 1);
label = gtk_label_new ("File:");
gtk_widget_set_halign (label, GTK_ALIGN_START);
gtk_widget_set_valign (label, GTK_ALIGN_CENTER);
gtk_widget_set_hexpand (label, TRUE);
gtk_grid_attach (GTK_GRID (table), label, 0, 2, 1, 1);
picker = gtk_file_chooser_button_new ("Pick a File",
GTK_FILE_CHOOSER_ACTION_OPEN);
gtk_grid_attach (GTK_GRID (table), label, 0, 2, 1, 1);
gtk_grid_attach (GTK_GRID (table), picker, 1, 2, 1, 1);
picker = gtk_file_chooser_button_new ("Pick a File",
GTK_FILE_CHOOSER_ACTION_OPEN);
dir = g_get_current_dir ();
file = g_file_new_for_path (dir);
gtk_file_chooser_add_shortcut_folder (GTK_FILE_CHOOSER (picker), file, NULL);
g_object_unref (file);
g_free (dir);
gtk_file_chooser_add_choice (GTK_FILE_CHOOSER (picker),
"choice",
"Encoding",
(const char *[]) { "option1", "option2", NULL },
(const char *[]) { "UTF-8", "Other Encoding", NULL });
gtk_file_chooser_set_choice (GTK_FILE_CHOOSER (picker), "choice", "option1");
gtk_file_chooser_add_choice (GTK_FILE_CHOOSER (picker),
"check",
"Read backwards",
NULL, NULL);
gtk_file_chooser_set_choice (GTK_FILE_CHOOSER (picker), "check", "false");
gtk_grid_attach (GTK_GRID (table), picker, 2, 2, 1, 1);
label = gtk_label_new ("Folder:");
gtk_widget_set_halign (label, GTK_ALIGN_START);
gtk_widget_set_valign (label, GTK_ALIGN_CENTER);