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author | Matthias Clasen <mclasen@redhat.com> | 2015-12-05 17:09:10 -0500 |
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committer | Matthias Clasen <mclasen@redhat.com> | 2015-12-05 17:09:59 -0500 |
commit | 6915aba952601c51ffce7ba8b1eec44b242cfb03 (patch) | |
tree | d0cc00b1d7836d9c37126079146061c4b34e9697 /tests | |
parent | 2c03ab48ebee0899de4428071d20a6f137ae9a8a (diff) | |
download | gtk+-6915aba952601c51ffce7ba8b1eec44b242cfb03.tar.gz |
Add more examples to foreigndrawing
Show how to draw checks and radios.
Diffstat (limited to 'tests')
-rw-r--r-- | tests/foreigndrawing.c | 75 |
1 files changed, 73 insertions, 2 deletions
diff --git a/tests/foreigndrawing.c b/tests/foreigndrawing.c index 2f0ade0243..eb4a61a34a 100644 --- a/tests/foreigndrawing.c +++ b/tests/foreigndrawing.c @@ -133,13 +133,78 @@ draw_text (GtkWidget *widget, g_object_unref (label_context); } +static void +draw_check (GtkWidget *widget, + cairo_t *cr, + gint x, + gint y, + GtkStateFlags state) +{ + GtkStyleContext *button_context; + GtkStyleContext *check_context; + + /* This information is taken from the GtkCheckButton docs, see "CSS nodes" */ + PathElt path[2] = { + { GTK_TYPE_LABEL, "checkbutton", NULL, NULL }, + { G_TYPE_NONE, "check", NULL, NULL } + }; + + button_context = get_style (&path[0], NULL); + check_context = get_style (&path[1], button_context); + + gtk_style_context_set_state (check_context, state); + + gtk_render_background (check_context, cr, x, y, 20, 20); + gtk_render_frame (check_context, cr, x, y, 20, 20); + gtk_render_check (check_context, cr, x, y, 20, 20); + + g_object_unref (check_context); + g_object_unref (button_context); + +} + +static void +draw_radio (GtkWidget *widget, + cairo_t *cr, + gint x, + gint y, + GtkStateFlags state) +{ + GtkStyleContext *button_context; + GtkStyleContext *check_context; + + /* This information is taken from the GtkRadioButton docs, see "CSS nodes" */ + PathElt path[2] = { + { GTK_TYPE_LABEL, "radiobutton", NULL, NULL }, + { G_TYPE_NONE, "radio", NULL, NULL } + }; + + button_context = get_style (&path[0], NULL); + check_context = get_style (&path[1], button_context); + + gtk_style_context_set_state (check_context, state); + + gtk_render_background (check_context, cr, x, y, 20, 20); + gtk_render_frame (check_context, cr, x, y, 20, 20); + gtk_render_option (check_context, cr, x, y, 20, 20); + + g_object_unref (check_context); + g_object_unref (button_context); + +} + static gboolean draw_cb (GtkWidget *widget, cairo_t *cr) { - gint width; + gint width, height; width = gtk_widget_get_allocated_width (widget); + height = gtk_widget_get_allocated_height (widget); + + cairo_rectangle (cr, 0, 0, width, height); + cairo_set_source_rgb (cr, 0, 0, 0); + cairo_fill (cr); draw_horizontal_scrollbar (widget, cr, 10, 10, width - 20, 10, 30, GTK_STATE_FLAG_NORMAL); draw_horizontal_scrollbar (widget, cr, 10, 30, width - 20, 10, 40, GTK_STATE_FLAG_PRELIGHT); @@ -148,6 +213,11 @@ draw_cb (GtkWidget *widget, draw_text (widget, cr, 10, 70, width - 20, 20, "Not selected", GTK_STATE_FLAG_NORMAL); draw_text (widget, cr, 10, 100, width - 20, 20, "Selected", GTK_STATE_FLAG_SELECTED); + draw_check (widget, cr, 10, 130, GTK_STATE_FLAG_NORMAL); + draw_check (widget, cr, 40, 130, GTK_STATE_FLAG_CHECKED); + draw_radio (widget, cr, 70, 130, GTK_STATE_FLAG_NORMAL); + draw_radio (widget, cr, 100, 130, GTK_STATE_FLAG_CHECKED); + return FALSE; } @@ -161,11 +231,12 @@ main (int argc, char *argv[]) gtk_init (NULL, NULL); window = gtk_window_new (GTK_WINDOW_TOPLEVEL); - gtk_widget_set_app_paintable (window, TRUE); box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 10); gtk_container_add (GTK_CONTAINER (window), box); da = gtk_drawing_area_new (); gtk_widget_set_size_request (da, 200, 200); + gtk_widget_set_hexpand (da, TRUE); + gtk_widget_set_vexpand (da, TRUE); gtk_widget_set_app_paintable (da, TRUE); gtk_container_add (GTK_CONTAINER (box), da); |