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comparison win/dw.c @ 1400:ccd383e11ff8

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Allow removing of tooltips by passing NULL or "" and prevent double tooltips on some platforms.
author bsmith@81767d24-ef19-dc11-ae90-00e081727c95
date Sun, 27 Nov 2011 20:28:15 +0000
parents 8e569dd09d94
children 20c6d0c50c94
comparison
equal deleted inserted replaced
1399:8e569dd09d94 1400:ccd383e11ff8
3527 } 3527 }
3528 } 3528 }
3529 3529
3530 void _create_tooltip(HWND handle, char *text) 3530 void _create_tooltip(HWND handle, char *text)
3531 { 3531 {
3532 HWND hwndTT = 0;
3533 HWND oldTT = (HWND)dw_window_get_data(handle, "_dw_tooltip");
3534
3535 if(oldTT)
3536 DestroyWindow(oldTT);
3532 if(text) 3537 if(text)
3533 { 3538 {
3539 TOOLINFO ti = { 0 };
3540
3534 /* Create a tooltip. */ 3541 /* Create a tooltip. */
3535 HWND hwndTT = CreateWindowEx(WS_EX_TOPMOST, 3542 hwndTT = CreateWindowEx(WS_EX_TOPMOST,
3536 TOOLTIPS_CLASS, NULL, 3543 TOOLTIPS_CLASS, NULL,
3537 WS_POPUP | TTS_NOPREFIX | TTS_ALWAYSTIP, 3544 WS_POPUP | TTS_NOPREFIX | TTS_ALWAYSTIP,
3538 CW_USEDEFAULT, CW_USEDEFAULT, 3545 CW_USEDEFAULT, CW_USEDEFAULT,
3539 CW_USEDEFAULT, CW_USEDEFAULT, 3546 CW_USEDEFAULT, CW_USEDEFAULT,
3540 handle, NULL, DWInstance,NULL); 3547 handle, NULL, DWInstance,NULL);
3541 TOOLINFO ti = { 0 };
3542 3548
3543 SetWindowPos(hwndTT, HWND_TOPMOST, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE); 3549 SetWindowPos(hwndTT, HWND_TOPMOST, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE);
3544 3550
3545 /* Set up "tool" information. 3551 /* Set up "tool" information.
3546 * In this case, the "tool" is the entire parent window. 3552 * In this case, the "tool" is the entire parent window.
3553 ti.rect.right = ti.rect.bottom = 500; 3559 ti.rect.right = ti.rect.bottom = 500;
3554 3560
3555 /* Associate the tooltip with the "tool" window. */ 3561 /* Associate the tooltip with the "tool" window. */
3556 SendMessage(hwndTT, TTM_ADDTOOL, 0, (LPARAM) (LPTOOLINFO) &ti); 3562 SendMessage(hwndTT, TTM_ADDTOOL, 0, (LPARAM) (LPTOOLINFO) &ti);
3557 } 3563 }
3564 dw_window_set_data(handle, "_dw_tooltip", (void *)hwndTT);
3558 } 3565 }
3559 3566
3560 #ifndef GDIPLUS 3567 #ifndef GDIPLUS
3561 /* This function determines the handle for a supplied image filename 3568 /* This function determines the handle for a supplied image filename
3562 */ 3569 */