adding a bunch of code (vesa, keyb, mouse, etc) to the menu

[cdmenu] / menu / src / dos / main.c

diff --git a/menu/src/dos/main.c b/menu/src/dos/main.c
new file mode 100644 (file)
index 0000000..a8e9c1b
--- /dev/null
+++ b/menu/src/dos/main.c
@@ -0,0 +1,185 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+#include <time.h>
+#include "app.h"
+#include "timer.h"
+#include "keyb.h"
+#include "vidsys.h"
+#include "cdpmi.h"
+#include "mouse.h"
+#include "logger.h"
+#include "rtk.h"
+
+static unsigned char *vmem;
+static int quit, dirty_valid;
+static rtk_rect dirty;
+static int mx, my, prev_mx, prev_my, use_mouse;
+
+
+int main(int argc, char **argv)
+{
+       int i;
+       int vmidx;
+       int mdx, mdy, bnstate, bndiff;
+       static int prev_bnstate;
+       char *env;
+
+#ifdef __DJGPP__
+       __djgpp_nearptr_enable();
+#endif
+
+       init_logger();
+       if((env = getenv("MENULOG"))) {
+               if(tolower(env[0]) == 'c' && tolower(env[1]) == 'o' && tolower(env[2]) == 'm'
+                               && isdigit(env[3])) {
+                       add_log_console(env);
+               } else {
+                       add_log_file(env);
+               }
+       }
+
+       if(!(use_mouse = have_mouse())) {
+               infomsg("no mouse detected\n");
+       }
+       init_timer(0);
+       kb_init();
+
+       if(vid_init() == -1) {
+               return 1;
+       }
+
+       scr_width = 640;
+       scr_height = 480;
+       if((vmidx = vid_findmode(scr_width, scr_height, 8)) == -1) {
+               return 1;
+       }
+       if(!(vmem = vid_setmode(vmidx))) {
+               return 1;
+       }
+
+       if(app_init() == -1) {
+               goto break_evloop;
+       }
+       app_invalidate(0, 0, 0, 0);
+
+       app_reshape(scr_width, scr_height);
+       mx = scr_width / 2;
+       my = scr_height / 2;
+       prev_mx = prev_my = -1;
+
+       for(;;) {
+               int key;
+
+               modkeys = 0;
+               if(kb_isdown(KEY_ALT)) {
+                       modkeys |= KEY_MOD_ALT;
+               }
+               if(kb_isdown(KEY_CTRL)) {
+                       modkeys |= KEY_MOD_CTRL;
+               }
+               if(kb_isdown(KEY_SHIFT)) {
+                       modkeys |= KEY_MOD_SHIFT;
+               }
+
+               while((key = kb_getkey()) != -1) {
+                       if(key == 'r' && (modkeys & KEY_MOD_CTRL)) {
+                               app_invalidate(0, 0, 0, 0);
+                       } else {
+                               app_keyboard(key, 1);
+                       }
+                       if(quit) goto break_evloop;
+               }
+
+               if(use_mouse) {
+                       bnstate = read_mouse_bn();
+                       bndiff = bnstate ^ prev_bnstate;
+                       prev_bnstate = bnstate;
+
+                       read_mouse_rel(&mdx, &mdy);
+                       mx += mdx;
+                       if(mx < 0) mx = 0;
+                       if(mx >= scr_width) mx = scr_width - 1;
+                       my += mdy;
+                       if(my < 0) my = 0;
+                       if(my >= scr_height) my = scr_height - 1;
+                       mdx = mx - prev_mx;
+                       mdy = my - prev_my;
+
+                       if(bndiff & 1) app_mouse(0, bnstate & 1, mx, my);
+                       if(bndiff & 2) app_mouse(1, bnstate & 2, mx, my);
+                       if(bndiff & 4) app_mouse(3, bnstate & 4, mx, my);
+
+                       if((mdx | mdy) != 0) {
+                               app_motion(mx, my);
+                       }
+               }
+
+               app_display();
+               app_swap_buffers();
+       }
+
+break_evloop:
+       app_shutdown();
+       vid_cleanup();
+       kb_shutdown();
+       return 0;
+}
+
+void app_invalidate(int x, int y, int w, int h)
+{
+       rtk_rect r;
+
+       if((w | h) == 0) {
+               r.x = r.y = 0;
+               r.width = scr_width;
+               r.height = scr_height;
+       } else {
+               r.x = x;
+               r.y = y;
+               r.width = w;
+               r.height = h;
+       }
+
+       if(dirty_valid) {
+               rtk_rect_union(&dirty, &r);
+       } else {
+               dirty = r;
+       }
+       dirty_valid = 1;
+}
+
+void app_swap_buffers(void)
+{
+       unsigned char *src;
+
+       vid_vsync();
+
+       if(dirty_valid) {
+               if(dirty.width < scr_width || dirty.height < scr_height) {
+                       src = framebuf + dirty.y * scr_width + dirty.x;
+                       vid_blit8(dirty.x, dirty.y, dirty.width, dirty.height, src, 0);
+               } else {
+                       vid_blitfb8(framebuf, 0);
+               }
+               dirty_valid = 0;
+       }
+}
+
+void app_quit(void)
+{
+       quit = 1;
+}
+
+void app_resize(int x, int y)
+{
+}
+
+void app_fullscreen(int fs)
+{
+}
+
+void app_vsync(int vsync)
+{
+}