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Start drawing...

Nils Faerber authored on 31/07/2012 19:28:08
Showing 1 changed files
ui/oswald-ui.c
History View file @ fe2c68f
... ... 
@@ -14,7 +14,138 @@
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 typedef struct {
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-	GtkWidget *main_win;
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+	GtkWidget *mainwin;
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+	GtkDrawingArea *darea;
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+	GdkPixmap *pixmap;
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 } oswald_ui;
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+
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+void set_pixel(oswald_ui *ui, gint x, gint y, gboolean state)
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+{
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+	GdkRectangle update_rect;
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+	GdkGC *gc;
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+	gint ix, iy;
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+
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+	ix = x*2;
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+	iy = y*2;
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+
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+	update_rect.x = ix - 5;
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+	update_rect.y = iy - 5;
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+	update_rect.width = 10;
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+	update_rect.height = 10;
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+
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+	gdk_draw_point(GDK_DRAWABLE(ui->pixmap), state ? ui->mainwin->style->black_gc : ui->mainwin->style->white_gc, ix, iy);
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+	gdk_draw_point(GDK_DRAWABLE(ui->pixmap), state ? ui->mainwin->style->black_gc : ui->mainwin->style->white_gc, ix+1, iy);
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+	gdk_draw_point(GDK_DRAWABLE(ui->pixmap), state ? ui->mainwin->style->black_gc : ui->mainwin->style->white_gc, ix, iy+1);
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+	gdk_draw_point(GDK_DRAWABLE(ui->pixmap), state ? ui->mainwin->style->black_gc : ui->mainwin->style->white_gc, ix+1, iy+1);
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+
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+	gtk_widget_draw (GTK_WIDGET(ui->darea), &update_rect);
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+}
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+
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+static gint
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+configure_event (GtkWidget *widget, GdkEventConfigure *event, gpointer user_data)
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+{
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+	oswald_ui *ui = (oswald_ui *)user_data;
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+
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+	if (ui->pixmap)
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+		gdk_pixmap_unref(ui->pixmap);
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+
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+	ui->pixmap = gdk_pixmap_new(widget->window,
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+		widget->allocation.width,
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+		widget->allocation.height,
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+		-1);
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+	gdk_draw_rectangle (ui->pixmap,
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+		widget->style->white_gc,
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+		TRUE,
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+		0, 0,
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+		widget->allocation.width,
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+		widget->allocation.height);
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+
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+	return TRUE;
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+}
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+
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+static gint
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+expose_event (GtkWidget *widget, GdkEventExpose *event, gpointer user_data)
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+{
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+	oswald_ui *ui = (oswald_ui *)user_data;
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+
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+	gdk_draw_pixmap(widget->window,
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+		widget->style->fg_gc[GTK_WIDGET_STATE (widget)],
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+		ui->pixmap,
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+		event->area.x, event->area.y,
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+		event->area.x, event->area.y,
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+		event->area.width, event->area.height);
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+
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+	return FALSE;
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+}
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+
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+static void create_mainwin(oswald_ui *ui)
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+{
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+	GtkWidget *hb, *vb, *btn;
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+
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+	ui->pixmap = NULL;
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+
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+	ui->mainwin = gtk_window_new (GTK_WINDOW_TOPLEVEL);
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+	// gtk_window_set_default_size (GTK_WINDOW (ui->mainwin), 440, 240);
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+	g_signal_connect(G_OBJECT(ui->mainwin), "destroy", gtk_main_quit, NULL);
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+
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+	hb = gtk_hbox_new(FALSE, 5);
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+	gtk_container_add(GTK_CONTAINER(ui->mainwin), hb);
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+
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+	vb = gtk_vbox_new(FALSE, 5);
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+	gtk_box_pack_start (GTK_BOX(hb), vb, FALSE, FALSE, 5);
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+
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+	btn = gtk_button_new_with_label("D");
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+	gtk_box_pack_start (GTK_BOX(vb), btn, FALSE, FALSE, 10);
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+
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+	btn = gtk_button_new_with_label("E");
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+	gtk_box_pack_start (GTK_BOX(vb), btn, FALSE, FALSE, 10);
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+
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+	btn = gtk_button_new_with_label("F");
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+	gtk_box_pack_start (GTK_BOX(vb), btn, FALSE, FALSE, 10);
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+
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+	ui->darea = (GtkDrawingArea *)gtk_drawing_area_new ();
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+	gtk_box_pack_start (GTK_BOX(hb), GTK_WIDGET(ui->darea), FALSE, FALSE, 5);
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+	gtk_drawing_area_size (ui->darea, 192, 192);
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+
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+	gtk_signal_connect (GTK_OBJECT (ui->darea), "expose_event", (GtkSignalFunc) expose_event, ui);
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+	gtk_signal_connect (GTK_OBJECT (ui->darea), "configure_event", (GtkSignalFunc) configure_event, ui);
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+	// gtk_signal_connect (GTK_OBJECT (drawing_area), "motion_notify_event", (GtkSignalFunc) motion_notify_event, ui);
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+	// gtk_signal_connect (GTK_OBJECT (drawing_area), "button_press_event", (GtkSignalFunc) button_press_event, ui);
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+
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+	gtk_widget_set_events (GTK_WIDGET(ui->darea), GDK_EXPOSURE_MASK
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+		| GDK_LEAVE_NOTIFY_MASK
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+		| GDK_BUTTON_PRESS_MASK
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+		| GDK_POINTER_MOTION_MASK
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+		| GDK_POINTER_MOTION_HINT_MASK);
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+
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+	vb = gtk_vbox_new(FALSE, 5);
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+	gtk_box_pack_start (GTK_BOX(hb), vb, FALSE, FALSE, 5);
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+
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+	btn = gtk_button_new_with_label("A");
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+	gtk_box_pack_start (GTK_BOX(vb), btn, FALSE, FALSE, 10);
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+
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+	btn = gtk_button_new_with_label("B");
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+	gtk_box_pack_start (GTK_BOX(vb), btn, FALSE, FALSE, 10);
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+
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+	btn = gtk_button_new_with_label("C");
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+	gtk_box_pack_start (GTK_BOX(vb), btn, FALSE, FALSE, 10);
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+
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+	gtk_widget_show_all(ui->mainwin);
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+}
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+
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+int main(int argc , char ** argv)
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+{
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+	oswald_ui ui;
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+
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+	gtk_init (&argc, &argv);
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+
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+	create_mainwin(&ui);
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+
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+	set_pixel(&ui, 48, 48, TRUE);
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+
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+	gtk_main ();
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+	return 0;
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+}
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+