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-rw-r--r--sources/main.c343
1 files changed, 342 insertions, 1 deletions
diff --git a/sources/main.c b/sources/main.c
index 5bc1c42..791cf43 100644
--- a/sources/main.c
+++ b/sources/main.c
@@ -5,7 +5,6 @@
* See LICENSE for details
*/
-
#define _DEFAULT_SOURCE
#include <stdlib.h>
#include <stdio.h>
@@ -13,19 +12,360 @@
#include <assert.h>
#include <time.h>
#include <stdarg.h>
+#include <ctype.h>
#include <endian.h>
+#include <unistd.h>
+#include <sys/mman.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+
+#include <X11/Xlib.h>
+#include <X11/Xatom.h>
+#include <X11/Xutil.h>
+#include <X11/Xresource.h>
+
#include "bits.c"
#include "log.c"
+#include "tga.c"
+#include "x11.c"
#include "chip8.c"
#include "meta/disasm.c"
#include "meta/exec.c"
+typedef struct
+{
+ void* usr;
+
+ usize hot;
+ usize active;
+ usize kbdfocus;
+
+ /* mouse */
+ u16 x;
+ u16 y;
+
+ u8 pbtns;
+ u8 btns;
+
+} iui;
+
+void iui_start(iui* ui, void* usr)
+{
+ assert(ui);
+
+ ui->usr = usr;
+ ui->hot = 0;
+}
+
+void iui_end(iui* ui)
+{
+ assert(ui);
+
+ if(!ui->btns) ui->active = 0;
+ else
+ {
+ if(!ui->active) ui->kbdfocus = 0;
+ }
+
+ ui->pbtns = ui->btns;
+}
+
+bool iui_mouse_inside(iui* ui, u16 x, u16 y, u16 w, u16 h)
+{
+ return !(ui->x < x || ui->y < y || ui->x >= x + w || ui->y >= y + h);
+}
+
+int iui_button(iui* ui, u16 x, u16 y, int w, int h, char* label)
+{
+ xctx* x11 = (xctx*)ui->usr;
+ usize id = (usize)label;
+ bool imhot, imactive;
+
+ if(iui_mouse_inside(ui, x, y, w, h))
+ {
+ bool click = ui->btns & bit(1) && !(ui->pbtns & bit(1));
+ if(!ui->active && click) ui->active = id;
+ ui->hot = id;
+ }
+
+ imhot = ui->hot == id;
+ imactive = ui->active == id;
+
+ {
+ XGCValues gcvals = {0};
+
+ if(imhot) gcvals.line_width = 2;
+ else gcvals.line_width = 1;
+
+ if(imactive) gcvals.foreground = x11->cols.as.fg;
+ else gcvals.foreground = x11->cols.as.bg;
+
+ XChangeGC(x11->disp, x11->gc, GCForeground | GCLineWidth, &gcvals);
+ XFillRectangle(x11->disp, x11->wnd, x11->gc, x, y, w, h);
+
+ XSetForeground(x11->disp, x11->gc, x11->cols.as.fg);
+ XDrawLine(x11->disp, x11->wnd, x11->gc, x, y, x, y + h);
+ XDrawLine(x11->disp, x11->wnd, x11->gc, x + w, y, x, y);
+
+ XSetForeground(x11->disp, x11->gc, x11->cols.as.fg);
+ XDrawLine(x11->disp, x11->wnd, x11->gc, x, y + h, x + w, y + h);
+ XDrawLine(x11->disp, x11->wnd, x11->gc, x + w, y + h, x + w, y);
+ }
+
+ {
+ usize len;
+ int xx, yy;
+ int di, fa, fd;
+ int width, height;
+ XCharStruct chs = {0};
+
+ len = strlen(label);
+ XTextExtents(x11->xfs, label, len, &di, &fa, &fd, &chs);
+ width = chs.rbearing - chs.lbearing;
+ height = chs.ascent + chs.descent;
+
+ xx = x + w / 2 - width / 2;
+ yy = y + h / 2 + height / 2;
+
+ if(imactive) XSetForeground(x11->disp, x11->gc, x11->cols.as.bg);
+ else XSetForeground(x11->disp, x11->gc, x11->cols.as.fg);
+ XDrawString(x11->disp, x11->wnd, x11->gc, xx, yy, label, len);
+ }
+
+ return imhot && imactive && !(ui->btns & bit(1));
+}
+
+int iui_textbox(iui* ui, u16 x, u16 y, int w, int h, char* buf, usize buflen)
+{
+ xctx* x11 = (xctx*)ui->usr;
+ usize id = (usize)buf;
+ bool imhot, imactive;
+ usize len;
+
+ len = strlen(buf);
+
+ if(iui_mouse_inside(ui, x, y, w, h))
+ {
+ bool click = ui->btns & bit(1) && !(ui->pbtns & bit(1));
+ if(!ui->active && click) ui->active = id;
+ ui->hot = id;
+ }
+
+ imhot = ui->hot == id;
+ imactive = ui->active == id;
+
+ {
+ XGCValues gcvals = {0};
+
+ if(imhot) gcvals.line_width = 2;
+ else gcvals.line_width = 1;
+
+ gcvals.foreground = x11->cols.as.bg;
+
+ XChangeGC(x11->disp, x11->gc, GCForeground | GCLineWidth, &gcvals);
+ XFillRectangle(x11->disp, x11->wnd, x11->gc, x, y, w, h);
+
+ XSetForeground(x11->disp, x11->gc, x11->cols.as.fg);
+ XDrawLine(x11->disp, x11->wnd, x11->gc, x, y, x, y + h);
+ XDrawLine(x11->disp, x11->wnd, x11->gc, x + w, y, x, y);
+
+ XSetForeground(x11->disp, x11->gc, x11->cols.as.fg);
+ XDrawLine(x11->disp, x11->wnd, x11->gc, x, y + h, x + w, y + h);
+ XDrawLine(x11->disp, x11->wnd, x11->gc, x + w, y + h, x + w, y);
+ }
+
+ if(imactive) ui->kbdfocus = id;
+ if(ui->kbdfocus == id)
+ {
+
+ XGCValues gcvals = {0};
+ gcvals.foreground = x11->cols.as.fg;
+
+ XChangeGC(x11->disp, x11->gc, GCForeground, &gcvals);
+ XFillRectangle(x11->disp, x11->wnd, x11->gc, x + 6 + (6 * len), y + 6, 10, h - 12);
+ }
+ else
+ {
+ XGCValues gcvals = {0};
+ gcvals.foreground = x11->cols.as.fg;
+ gcvals.line_width = 1;
+
+ XChangeGC(x11->disp, x11->gc, GCForeground | GCLineWidth, &gcvals);
+ XDrawRectangle(x11->disp, x11->wnd, x11->gc, x + 6 + (6 * len), y + 6, 9, h - 13);
+ }
+
+ {
+ int xx, yy;
+ int di, fa, fd;
+ int width, height;
+ XCharStruct chs = {0};
+
+ XTextExtents(x11->xfs, buf, buflen, &di, &fa, &fd, &chs);
+ height = chs.ascent + chs.descent;
+
+ xx = x + 6;
+ yy = y + h / 2 + height / 2;
+
+
+ if(imactive) XSetForeground(x11->disp, x11->gc, x11->cols.as.bg);
+ else XSetForeground(x11->disp, x11->gc, x11->cols.as.fg);
+ XDrawString(x11->disp, x11->wnd, x11->gc, xx, yy, buf, len);
+ }
+
+ return imhot && imactive && !(ui->btns & bit(1));
+}
+
+
int main(int argc, char** argv)
{
+ xctx x11 = {0};
+ iui ui = {0};
+ bool run = true;
+ char txtbuf[256] = {0};
+
+ x11_init(800, 600, "xip-8", argc, argv, &x11);
+
+ while(run)
+ {
+ XEvent ev;
+
+ while(XCheckTypedWindowEvent(x11.disp, x11.wnd, ClientMessage, &ev))
+ if((Atom)ev.xclient.data.l[0] == x11.xa_delwnd) run = false;
+
+ while(XCheckWindowEvent(x11.disp, x11.wnd, max_u32, &ev))
+ {
+ bool keyup = false;
+ switch(ev.type)
+ {
+ case KeymapNotify:
+ XRefreshKeyboardMapping(&ev.xmapping);
+ break;
+
+ case KeyRelease:
+ keyup = true;
+ /* fall through */
+ case KeyPress:
+ {
+ KeySym ks;
+ char name[32] = {0};
+ int len = 0;
+
+ len = XLookupString(&ev.xkey, name, sizeof(name) - 1, &ks, NULL);
+ if(keyup && ks == XK_Escape) run = false;
+ if(!keyup && len == 1)
+ {
+ if(ui.kbdfocus && (isgraph(name[0]) || name[0] == ' '))
+ strcat((char*)ui.kbdfocus, name);
+ }
+ if(!keyup && ks == XK_BackSpace)
+ {
+ if(ui.kbdfocus)
+ {
+ ssize i = strlen((char*)ui.kbdfocus) - 1;
+ if(i >= 0) ((char*)ui.kbdfocus)[i] = '\0';
+ }
+ }
+ }
+ break;
+
+ case ButtonPress:
+ if(ev.xbutton.button == Button1) ui.btns |= bit(1);
+ if(ev.xbutton.button == Button2) ui.btns |= bit(2);
+ if(ev.xbutton.button == Button3) ui.btns |= bit(3);
+ break;
+
+ case ButtonRelease:
+ if(ev.xbutton.button == Button1) ui.btns &= ~bit(1);
+ if(ev.xbutton.button == Button2) ui.btns &= ~bit(2);
+ if(ev.xbutton.button == Button3) ui.btns &= ~bit(3);
+ break;
+
+ case MotionNotify:
+ ui.x = ev.xmotion.x;
+ ui.y = ev.xmotion.y;
+ break;
+
+ case Expose:
+ {
+ XWindowAttributes wa = {0};
+ XGCValues gcvals = {0};
+
+ gcvals.line_width = 1;
+ gcvals.foreground = x11.cols.as.bg;
+
+ XGetWindowAttributes(x11.disp, x11.wnd, &wa);
+
+ XChangeGC(x11.disp, x11.gc, GCForeground | GCLineWidth, &gcvals);
+ XFillRectangle(x11.disp, x11.wnd, x11.gc, 0, 0, wa.width, wa.height);
+
+ /* TODO: draw ui
+ * for ui draw cmds
+ * draw cmd
+ */
+ }
+ break;
+
+ default:
+ break;
+ }
+ }
+
+ {
+ int len = 0;
+ char buf[512] = {0};
+ XGCValues gcvals = {0};
+
+ gcvals.foreground = x11.cols.as.bg;
+ XChangeGC(x11.disp, x11.gc, GCForeground | GCLineWidth, &gcvals);
+ XFillRectangle(x11.disp, x11.wnd, x11.gc, 0, 0, 800, 600);
+
+ XSetForeground(x11.disp, x11.gc, x11.cols.as.fg);
+ len = snprintf(buf, lengthof(buf), "hot: %p", (void*)ui.hot);
+ XDrawString(x11.disp, x11.wnd, x11.gc, 650, 25, buf, len);
+
+ len = snprintf(buf, lengthof(buf), "act: %p", (void*)ui.active);
+ XDrawString(x11.disp, x11.wnd, x11.gc, 650, 45, buf, len);
+
+ len = snprintf(buf, lengthof(buf), "cur: %dx%d", ui.x, ui.y);
+ XDrawString(x11.disp, x11.wnd, x11.gc, 650, 65, buf, len);
+
+ len = snprintf(buf, lengthof(buf), "btn: %d%d%d",
+ ui.btns & bit(1) ? 1 : 0,
+ ui.btns & bit(2) ? 2 : 0,
+ ui.btns & bit(3) ? 3 : 0);
+ XDrawString(x11.disp, x11.wnd, x11.gc, 650, 85, buf, len);
+
+ len = snprintf(buf, lengthof(buf), "old: %d%d%d",
+ ui.pbtns & bit(1) ? 1 : 0,
+ ui.pbtns & bit(2) ? 2 : 0,
+ ui.pbtns & bit(3) ? 3 : 0);
+ XDrawString(x11.disp, x11.wnd, x11.gc, 650, 105, buf, len);
+
+ len = snprintf(buf, lengthof(buf), "kbd: %p", (void*)ui.kbdfocus);
+ XDrawString(x11.disp, x11.wnd, x11.gc, 650, 125, buf, len);
+ }
+
+ iui_start(&ui, &x11);
+ if(iui_button(&ui, 25, 25, 100, 35, "Click ME!")) report(DBG, "CLICK!\n");
+ if(iui_button(&ui, 150, 25, 100, 35, "NOT ME!!!")) report(DBG, "WHYYYYYY!\n");
+
+ iui_textbox(&ui, 25, 75, 225, 35, txtbuf, lengthof(txtbuf));
+ if(iui_button(&ui, 275, 75, 100, 35, "OK")) report(DBG, "textbox: '%s'!\n", txtbuf);
+ iui_end(&ui);
+
+ usleep(10000);
+ }
+
+ x11_cleanup(&x11);
+ return 0;
+}
+
+int main2(int argc, char** argv)
+{
u64 sz = 0;
FILE* f = NULL;
chip8 c8 = {0};
@@ -93,6 +433,7 @@ int main(int argc, char** argv)
{
char buf[512] = {0};
+
c8_disasm(c8.RAM, c8.pc, buf);
printf("%04X: %s\n", c8.pc, buf);
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-03 03:23:26 +0000