From fe2c68fe4374f0368fab6d852cde08bd1a26b3af Mon Sep 17 00:00:00 2001
From: Nils Faerber <nils.faerber@kernelconcepts.de>
Date: Tue, 31 Jul 2012 21:28:08 +0200
Subject: [PATCH] Start drawing...

---
 ui/oswald-ui.c | 133 ++++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 132 insertions(+), 1 deletion(-)

diff --git a/ui/oswald-ui.c b/ui/oswald-ui.c
index fbaf37c..2e9312a 100644
--- a/ui/oswald-ui.c
+++ b/ui/oswald-ui.c
@@ -14,7 +14,138 @@
 
 
 typedef struct {
-	GtkWidget *main_win;
+	GtkWidget *mainwin;
+	GtkDrawingArea *darea;
+	GdkPixmap *pixmap;
 } oswald_ui;
 
 
+
+void set_pixel(oswald_ui *ui, gint x, gint y, gboolean state)
+{
+	GdkRectangle update_rect;
+	GdkGC *gc;
+	gint ix, iy;
+
+	ix = x*2;
+	iy = y*2;
+
+	update_rect.x = ix - 5;
+	update_rect.y = iy - 5;
+	update_rect.width = 10;
+	update_rect.height = 10;
+
+	gdk_draw_point(GDK_DRAWABLE(ui->pixmap), state ? ui->mainwin->style->black_gc : ui->mainwin->style->white_gc, ix, iy);
+	gdk_draw_point(GDK_DRAWABLE(ui->pixmap), state ? ui->mainwin->style->black_gc : ui->mainwin->style->white_gc, ix+1, iy);
+	gdk_draw_point(GDK_DRAWABLE(ui->pixmap), state ? ui->mainwin->style->black_gc : ui->mainwin->style->white_gc, ix, iy+1);
+	gdk_draw_point(GDK_DRAWABLE(ui->pixmap), state ? ui->mainwin->style->black_gc : ui->mainwin->style->white_gc, ix+1, iy+1);
+
+	gtk_widget_draw (GTK_WIDGET(ui->darea), &update_rect);
+}
+
+static gint
+configure_event (GtkWidget *widget, GdkEventConfigure *event, gpointer user_data)
+{
+	oswald_ui *ui = (oswald_ui *)user_data;
+
+	if (ui->pixmap)
+		gdk_pixmap_unref(ui->pixmap);
+
+	ui->pixmap = gdk_pixmap_new(widget->window,
+		widget->allocation.width,
+		widget->allocation.height,
+		-1);
+	gdk_draw_rectangle (ui->pixmap,
+		widget->style->white_gc,
+		TRUE,
+		0, 0,
+		widget->allocation.width,
+		widget->allocation.height);
+
+	return TRUE;
+}
+
+static gint
+expose_event (GtkWidget *widget, GdkEventExpose *event, gpointer user_data)
+{
+	oswald_ui *ui = (oswald_ui *)user_data;
+
+	gdk_draw_pixmap(widget->window,
+		widget->style->fg_gc[GTK_WIDGET_STATE (widget)],
+		ui->pixmap,
+		event->area.x, event->area.y,
+		event->area.x, event->area.y,
+		event->area.width, event->area.height);
+
+	return FALSE;
+}
+
+static void create_mainwin(oswald_ui *ui)
+{
+	GtkWidget *hb, *vb, *btn;
+
+	ui->pixmap = NULL;
+
+	ui->mainwin = gtk_window_new (GTK_WINDOW_TOPLEVEL);
+	// gtk_window_set_default_size (GTK_WINDOW (ui->mainwin), 440, 240);
+	g_signal_connect(G_OBJECT(ui->mainwin), "destroy", gtk_main_quit, NULL);
+
+	hb = gtk_hbox_new(FALSE, 5);
+	gtk_container_add(GTK_CONTAINER(ui->mainwin), hb);
+
+	vb = gtk_vbox_new(FALSE, 5);
+	gtk_box_pack_start (GTK_BOX(hb), vb, FALSE, FALSE, 5);
+
+	btn = gtk_button_new_with_label("D");
+	gtk_box_pack_start (GTK_BOX(vb), btn, FALSE, FALSE, 10);
+
+	btn = gtk_button_new_with_label("E");
+	gtk_box_pack_start (GTK_BOX(vb), btn, FALSE, FALSE, 10);
+
+	btn = gtk_button_new_with_label("F");
+	gtk_box_pack_start (GTK_BOX(vb), btn, FALSE, FALSE, 10);
+
+	ui->darea = (GtkDrawingArea *)gtk_drawing_area_new ();
+	gtk_box_pack_start (GTK_BOX(hb), GTK_WIDGET(ui->darea), FALSE, FALSE, 5);
+	gtk_drawing_area_size (ui->darea, 192, 192);
+
+	gtk_signal_connect (GTK_OBJECT (ui->darea), "expose_event", (GtkSignalFunc) expose_event, ui);
+	gtk_signal_connect (GTK_OBJECT (ui->darea), "configure_event", (GtkSignalFunc) configure_event, ui);
+	// gtk_signal_connect (GTK_OBJECT (drawing_area), "motion_notify_event", (GtkSignalFunc) motion_notify_event, ui);
+	// gtk_signal_connect (GTK_OBJECT (drawing_area), "button_press_event", (GtkSignalFunc) button_press_event, ui);
+
+	gtk_widget_set_events (GTK_WIDGET(ui->darea), GDK_EXPOSURE_MASK
+		| GDK_LEAVE_NOTIFY_MASK
+		| GDK_BUTTON_PRESS_MASK
+		| GDK_POINTER_MOTION_MASK
+		| GDK_POINTER_MOTION_HINT_MASK);
+
+	vb = gtk_vbox_new(FALSE, 5);
+	gtk_box_pack_start (GTK_BOX(hb), vb, FALSE, FALSE, 5);
+
+	btn = gtk_button_new_with_label("A");
+	gtk_box_pack_start (GTK_BOX(vb), btn, FALSE, FALSE, 10);
+
+	btn = gtk_button_new_with_label("B");
+	gtk_box_pack_start (GTK_BOX(vb), btn, FALSE, FALSE, 10);
+
+	btn = gtk_button_new_with_label("C");
+	gtk_box_pack_start (GTK_BOX(vb), btn, FALSE, FALSE, 10);
+
+	gtk_widget_show_all(ui->mainwin);
+}
+
+int main(int argc , char ** argv)
+{
+	oswald_ui ui;
+
+	gtk_init (&argc, &argv);
+
+	create_mainwin(&ui);
+
+	set_pixel(&ui, 48, 48, TRUE);
+
+	gtk_main ();
+	return 0;
+}
+
-- 
2.39.2