用鼠标关闭窗口

24_day/bootpack.c

@@ -42,6 +42,8 @@ void HariMain(void)
 	};
 	int key_to = 0, key_shift = 0, key_leds = (binfo->leds >> 4) & 7, keycmd_wait = -1;
 	struct CONSOLE *cons;
+	int j, x, y, mmx = -1, mmy = -1;
+	struct SHEET *sht = 0;
 
 	init_gdtidt();
 	init_pic();
@@ -265,10 +267,53 @@ void HariMain(void)
 					if (my > binfo->scrny - 1) {
 						my = binfo->scrny - 1;
 					}
+
 					sheet_slide(sht_mouse, mx, my);/* 包含sheet_refresh含sheet_refresh */
-					if ((mdec.btn & 0x01) != 0) { /* 按下左键、移动sht_win */
-						sheet_slide(sht_win, mx - 80, my - 8);
+
+					if ((mdec.btn & 0x01) != 0) { /* 按下左键 */
+						if (mmx < 0) {
+							/*如果处于通常模式*/
+							/*按照从上到下的顺序寻找鼠标所指向的图层*/
+							for (j = shtctl->top - 1; j > 0; j--) {
+								sht = shtctl->sheets[j];
+								x = mx - sht->vx0;
+								y = my - sht->vy0;
+								if (0 <= x && x < sht->bxsize && 0 <= y && y < sht->bysize) {
+									if (sht->buf[y * sht->bxsize + x] != sht->col_inv) {
+										sheet_updown(sht, shtctl->top - 1);
+										if (3 <= x && x < sht->bxsize - 3 && 3 <= y && y < 21) {
+											mmx = mx; /*进入窗口移动模式*/
+											mmy = my;
+										}
+										if (sht->bxsize - 21 <= x && x < sht->bxsize - 5 && 5 <=y && y < 19) {
+											/*点击“×”按钮*/
+											if (sht->task != 0) { /*该窗口是否为应用程序窗口？*/
+												cons = (struct CONSOLE *) *((int *) 0x0fec);
+												cons_putstr0(cons, "\nBreak(mouse) :\n");
+												io_cli(); /*强制结束处理中禁止切换任务*/
+												task_cons->tss.eax = (int)
+												&(task_cons->tss.esp0);
+												task_cons->tss.eip = (int) asm_end_app;
+												io_sti();
+											}
+										}
+										break;
+									}
+								}
+							}
+						} else {
+							/*如果处于窗口移动模式*/
+							x = mx - mmx; /*计算鼠标的移动距离*/
+							y = my - mmy;
+							sheet_slide(sht, sht->vx0 + x, sht->vy0 + y);
+							mmx = mx; /*更新为移动后的坐标*/
+							mmy = my;
+						}
+					} else {
+						/*没有按下左键*/
+						mmx = -1; /*返回通常模式*/
 					}
+
 				}
 			} else if (i <= 1) { /* 光标用定时器*/
 				if (i != 0) {