forked from AuroraMiddleware/gtk
138 lines
3.9 KiB
C
138 lines
3.9 KiB
C
/* OpenGL/Gears
|
|
*
|
|
* This is a classic OpenGL demo, running in a GtkGLArea.
|
|
*/
|
|
|
|
|
|
#include <stdlib.h>
|
|
#include <gtk/gtk.h>
|
|
|
|
#include "gtkgears.h"
|
|
|
|
/************************************************************************
|
|
* DEMO CODE *
|
|
************************************************************************/
|
|
|
|
static void
|
|
on_axis_value_change (GtkAdjustment *adjustment,
|
|
gpointer data)
|
|
{
|
|
GtkGears *gears = GTK_GEARS (data);
|
|
int axis = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (adjustment), "axis"));
|
|
|
|
gtk_gears_set_axis (gears, axis, gtk_adjustment_get_value (adjustment));
|
|
}
|
|
|
|
|
|
static GtkWidget *
|
|
create_axis_slider (GtkGears *gears,
|
|
int axis)
|
|
{
|
|
GtkWidget *box, *label, *slider;
|
|
GtkAdjustment *adj;
|
|
const char *text;
|
|
|
|
box = gtk_box_new (GTK_ORIENTATION_VERTICAL, FALSE);
|
|
|
|
switch (axis)
|
|
{
|
|
case GTK_GEARS_X_AXIS:
|
|
text = "X";
|
|
break;
|
|
|
|
case GTK_GEARS_Y_AXIS:
|
|
text = "Y";
|
|
break;
|
|
|
|
case GTK_GEARS_Z_AXIS:
|
|
text = "Z";
|
|
break;
|
|
|
|
default:
|
|
g_assert_not_reached ();
|
|
}
|
|
|
|
label = gtk_label_new (text);
|
|
gtk_container_add (GTK_CONTAINER (box), label);
|
|
gtk_widget_show (label);
|
|
|
|
adj = gtk_adjustment_new (gtk_gears_get_axis (gears, axis), 0.0, 360.0, 1.0, 12.0, 0.0);
|
|
g_object_set_data (G_OBJECT (adj), "axis", GINT_TO_POINTER (axis));
|
|
g_signal_connect (adj, "value-changed",
|
|
G_CALLBACK (on_axis_value_change),
|
|
gears);
|
|
slider = gtk_scale_new (GTK_ORIENTATION_VERTICAL, adj);
|
|
gtk_scale_set_draw_value (GTK_SCALE (slider), FALSE);
|
|
gtk_container_add (GTK_CONTAINER (box), slider);
|
|
gtk_widget_set_vexpand (slider, TRUE);
|
|
gtk_widget_show (slider);
|
|
|
|
gtk_widget_show (box);
|
|
|
|
return box;
|
|
}
|
|
|
|
GtkWidget *
|
|
do_gears (GtkWidget *do_widget)
|
|
{
|
|
static GtkWidget *window = NULL;
|
|
GtkWidget *box, *hbox, *fps_label, *gears, *overlay, *frame;
|
|
int i;
|
|
|
|
if (!window)
|
|
{
|
|
window = gtk_window_new ();
|
|
gtk_window_set_title (GTK_WINDOW (window), "Gears");
|
|
gtk_window_set_resizable (GTK_WINDOW (window), TRUE);
|
|
gtk_window_set_default_size (GTK_WINDOW (window), 640, 640);
|
|
g_signal_connect (window, "destroy", G_CALLBACK (gtk_widget_destroyed), &window);
|
|
|
|
overlay = gtk_overlay_new ();
|
|
gtk_widget_set_margin_start (overlay, 12);
|
|
gtk_widget_set_margin_end (overlay, 12);
|
|
gtk_widget_set_margin_top (overlay, 12);
|
|
gtk_widget_set_margin_bottom (overlay, 12);
|
|
|
|
gtk_container_add (GTK_CONTAINER (window), overlay);
|
|
|
|
frame = gtk_frame_new (NULL);
|
|
gtk_widget_set_halign (frame, GTK_ALIGN_START);
|
|
gtk_widget_set_valign (frame, GTK_ALIGN_START);
|
|
gtk_widget_add_css_class (frame, "app-notification");
|
|
gtk_overlay_add_overlay (GTK_OVERLAY (overlay), frame);
|
|
|
|
fps_label = gtk_label_new ("");
|
|
gtk_widget_set_halign (fps_label, GTK_ALIGN_START);
|
|
gtk_container_add (GTK_CONTAINER (frame), fps_label);
|
|
|
|
box = gtk_box_new (GTK_ORIENTATION_VERTICAL, FALSE);
|
|
gtk_box_set_spacing (GTK_BOX (box), 6);
|
|
gtk_container_add (GTK_CONTAINER (overlay), box);
|
|
|
|
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, FALSE);
|
|
gtk_box_set_spacing (GTK_BOX (box), 6);
|
|
gtk_container_add (GTK_CONTAINER (box), hbox);
|
|
|
|
gears = gtk_gears_new ();
|
|
gtk_widget_set_hexpand (gears, TRUE);
|
|
gtk_widget_set_vexpand (gears, TRUE);
|
|
gtk_container_add (GTK_CONTAINER (hbox), gears);
|
|
|
|
for (i = 0; i < GTK_GEARS_N_AXIS; i++)
|
|
gtk_container_add (GTK_CONTAINER (hbox), create_axis_slider (GTK_GEARS (gears), i));
|
|
|
|
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, FALSE);
|
|
gtk_box_set_spacing (GTK_BOX (hbox), 6);
|
|
gtk_container_add (GTK_CONTAINER (box), hbox);
|
|
|
|
gtk_gears_set_fps_label (GTK_GEARS (gears), GTK_LABEL (fps_label));
|
|
}
|
|
|
|
if (!gtk_widget_get_visible (window))
|
|
gtk_widget_show (window);
|
|
else
|
|
gtk_widget_destroy (window);
|
|
|
|
return window;
|
|
}
|