X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?p=gph-gfx;a=blobdiff_plain;f=test_x11.c;fp=test_x11.c;h=1c9e1434d6fbf7856b6b41b62ebacbf9aa2795a6;hp=0000000000000000000000000000000000000000;hb=5ea3ab5302b95500424d61eab0dda97e98cc53d8;hpb=066a1766c12fd42bf2191842f1857c2a320942dd

diff --git a/test_x11.c b/test_x11.c
new file mode 100644
index 0000000..1c9e143
--- /dev/null
+++ b/test_x11.c
@@ -0,0 +1,220 @@
+#include <stdio.h>
+#include <unistd.h>
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include <X11/keysym.h>
+#include "gphgfx.h"
+
+static void redraw(void);
+static void reshape(int x, int y);
+static void keydown(int key, int x, int y);
+static void keyup(int key, int x, int y);
+static void button(int bn, int st, int x, int y);
+static void motion(int x, int y);
+
+static int create_window(const char *title, int width, int height);
+static void handle_event(XEvent *ev);
+static KeySym translate_keysym(KeySym sym);
+static void set_window_title(const char *title);
+
+static Display *dpy;
+static int scr;
+static Window win, root;
+static Atom xa_wm_proto, xa_wm_del_win;
+static int quit, mapped, win_width, win_height, modstate;
+static GC gc;
+
+int main(int argc, char **argv)
+{
+	if(!(dpy = XOpenDisplay(0))) {
+		fprintf(stderr, "failed to connect to the X server\n");
+		return 1;
+	}
+	xa_wm_proto = XInternAtom(dpy, "WM_PROTOCOLS", False);
+	xa_wm_del_win = XInternAtom(dpy, "WM_DELETE_WINDOW", False);
+
+	scr = DefaultScreen(dpy);
+	root = RootWindow(dpy, scr);
+
+	if(create_window("gph-gfx test", 800, 600) == -1) {
+		return 1;
+	}
+
+	if(ggfx_init("test", GGFX_INIT_DEBUG) == -1) {
+		return 1;
+	}
+
+	for(;;) {
+		while(XPending(dpy)) {
+			XEvent ev;
+			XNextEvent(dpy, &ev);
+			handle_event(&ev);
+			if(quit) goto end;
+		}
+		redraw();
+	}
+end:
+
+	ggfx_shutdown();
+	XFreeGC(dpy, gc);
+	XCloseDisplay(dpy);
+	return 0;
+}
+
+
+static void redraw(void)
+{
+	XSetForeground(dpy, gc, 0xff00);
+	XClearWindow(dpy, win);
+	usleep(10000);
+}
+
+static void reshape(int x, int y)
+{
+	printf("reshape %dx%d\n", x, y);
+}
+
+static void keydown(int key, int x, int y)
+{
+	switch(key) {
+	case 27:
+		quit = 1;
+		break;
+	}
+}
+
+static void keyup(int key, int x, int y)
+{
+}
+
+static void button(int bn, int st, int x, int y)
+{
+}
+
+static void motion(int x, int y)
+{
+}
+
+static int create_window(const char *title, int width, int height)
+{
+	XSetWindowAttributes xattr = {0};
+	XVisualInfo vinf;
+	unsigned int xattr_mask;
+
+	if(!XMatchVisualInfo(dpy, scr, 24, TrueColor, &vinf)) {
+		fprintf(stderr, "failed to find appropriate visual\n");
+		return -1;
+	}
+
+	xattr.background_pixel = BlackPixel(dpy, scr);
+	xattr.colormap = XCreateColormap(dpy, root, vinf.visual, AllocNone);
+	xattr_mask = CWBackPixel | CWColormap | CWBackPixmap | CWBorderPixel;
+	if(!(win = XCreateWindow(dpy, root, 0, 0, width, height, 0, vinf.depth,
+					InputOutput, vinf.visual, xattr_mask, &xattr))) {
+		fprintf(stderr, "Failed to create window\n");
+		return -1;
+	}
+
+	XSelectInput(dpy, win, ExposureMask | StructureNotifyMask | KeyPressMask |
+			KeyReleaseMask | ButtonPressMask | ButtonReleaseMask | ButtonMotionMask);
+
+	set_window_title(title);
+	XSetWMProtocols(dpy, win, &xa_wm_del_win, 1);
+	XMapWindow(dpy, win);
+
+	gc = XCreateGC(dpy, win, 0, 0);
+	return 0;
+}
+
+
+static KeySym translate_keysym(KeySym sym)
+{
+	switch(sym) {
+	case XK_Escape:
+		return 27;
+	case XK_BackSpace:
+		return '\b';
+	case XK_Linefeed:
+		return '\r';
+	case XK_Return:
+		return '\n';
+	case XK_Delete:
+		return 127;
+	case XK_Tab:
+		return '\t';
+	default:
+		break;
+	}
+	return sym;
+}
+
+static void handle_event(XEvent *ev)
+{
+	KeySym sym;
+
+	switch(ev->type) {
+	case MapNotify:
+		mapped = 1;
+		break;
+	case UnmapNotify:
+		mapped = 0;
+		break;
+	case ConfigureNotify:
+		if(ev->xconfigure.width != win_width || ev->xconfigure.height != win_height) {
+			win_width = ev->xconfigure.width;
+			win_height = ev->xconfigure.height;
+			reshape(ev->xconfigure.width, ev->xconfigure.height);
+		}
+		break;
+
+	case ClientMessage:
+		if(ev->xclient.message_type == xa_wm_proto) {
+			if(ev->xclient.data.l[0] == xa_wm_del_win) {
+				quit = 1;
+			}
+		}
+		break;
+
+	case Expose:
+		/*upd_pending = 1;*/
+		break;
+
+	case KeyPress:
+	case KeyRelease:
+		modstate = ev->xkey.state & (ShiftMask | ControlMask | Mod1Mask);
+		if(!(sym = XLookupKeysym(&ev->xkey, 0))) {
+			break;
+		}
+		sym = translate_keysym(sym);
+		if(ev->type == KeyPress) {
+			keydown(sym, ev->xkey.x, ev->xkey.y);
+		} else {
+			keyup(sym, ev->xkey.x, ev->xkey.y);
+		}
+		break;
+
+	case ButtonPress:
+	case ButtonRelease:
+		modstate = ev->xbutton.state & (ShiftMask | ControlMask | Mod1Mask);
+		button(ev->xbutton.button - Button1, ev->type == ButtonPress,
+				ev->xbutton.x, ev->xbutton.y);
+		break;
+
+	case MotionNotify:
+		motion(ev->xmotion.x, ev->xmotion.y);
+		break;
+
+	default:
+		break;
+	}
+}
+
+static void set_window_title(const char *title)
+{
+	XTextProperty tprop;
+	if(!XStringListToTextProperty((char**)&title, 1, &tprop)) {
+		return;
+	}
+	XSetWMName(dpy, win, &tprop);
+	XFree(tprop.value);
+}