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comparison src/video/win32/SDL_win32events.c @ 4919:716b2cbf4c9e

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First pass at Windows multi-touch gesture support
author Sam Lantinga <slouken@libsdl.org>
date Tue, 30 Nov 2010 17:58:51 -0800
parents 50d0bff24d81
children 0d1bb1ce9d15
comparison
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4918:f5f70fed2c4c 4919:716b2cbf4c9e
25 #include "SDL_win32video.h" 25 #include "SDL_win32video.h"
26 #include "SDL_win32shape.h" 26 #include "SDL_win32shape.h"
27 #include "SDL_syswm.h" 27 #include "SDL_syswm.h"
28 #include "SDL_vkeys.h" 28 #include "SDL_vkeys.h"
29 #include "../../events/SDL_events_c.h" 29 #include "../../events/SDL_events_c.h"
30 #include "../../events/SDL_touch_c.h"
30 31
31 32
32 33
33 /*#define WMMSG_DEBUG*/ 34 /*#define WMMSG_DEBUG*/
34 #ifdef WMMSG_DEBUG 35 #ifdef WMMSG_DEBUG
53 #define GET_XBUTTON_WPARAM(w) (HIWORD(w)) 54 #define GET_XBUTTON_WPARAM(w) (HIWORD(w))
54 #endif 55 #endif
55 #ifndef WM_INPUT 56 #ifndef WM_INPUT
56 #define WM_INPUT 0x00ff 57 #define WM_INPUT 0x00ff
57 #endif 58 #endif
58 #ifndef WM_GESTURE
59 #define WM_GESTURE 0x0119
60 #endif
61 #ifndef WM_TOUCH 59 #ifndef WM_TOUCH
62 #define WM_TOUCH 0x0240 60 #define WM_TOUCH 0x0240
63 #endif 61 #endif
62
64 63
65 static WPARAM 64 static WPARAM
66 RemapVKEY(WPARAM wParam, LPARAM lParam) 65 RemapVKEY(WPARAM wParam, LPARAM lParam)
67 { 66 {
68 int i; 67 int i;
517 { 516 {
518 SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_CLOSE, 0, 0); 517 SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_CLOSE, 0, 0);
519 } 518 }
520 returnCode = 0; 519 returnCode = 0;
521 break; 520 break;
521
522 case WM_TOUCH: 522 case WM_TOUCH:
523 { 523 {
524 //printf("Got Touch Event!\n"); 524 UINT i, num_inputs = LOWORD(wParam);
525 525 PTOUCHINPUT inputs = SDL_stack_alloc(TOUCHINPUT, num_inputs);
526 #ifdef WMMSG_DEBUG 526 if (data->videodata->GetTouchInputInfo((HTOUCHINPUT)lParam, num_inputs, inputs, sizeof(TOUCHINPUT))) {
527 FILE *log = fopen("wmmsg.txt", "a"); 527 RECT rect;
528 fprintf(log, "Received Touch Message: %p ", hwnd); 528 float x, y;
529 if (msg > MAX_WMMSG) { 529
530 fprintf(log, "%d", msg); 530 if (!GetClientRect(hwnd, &rect) ||
531 } else { 531 (rect.right == rect.left && rect.bottom == rect.top)) {
532 fprintf(log, "%s", wmtab[msg]); 532 break;
533 }
534 ClientToScreen(hwnd, (LPPOINT) & rect);
535 ClientToScreen(hwnd, (LPPOINT) & rect + 1);
536 rect.top *= 100;
537 rect.left *= 100;
538 rect.bottom *= 100;
539 rect.right *= 100;
540
541 for (i = 0; i < num_inputs; ++i) {
542 PTOUCHINPUT input = &inputs[i];
543
544 SDL_TouchID touchId = (SDL_TouchID)input->hSource;
545 if (!SDL_GetTouch(touchId)) {
546 SDL_Touch touch;
547
548 touch.id = touchId;
549 touch.x_min = 0;
550 touch.x_max = 1;
551 touch.native_xres = touch.x_max - touch.x_min;
552 touch.y_min = 0;
553 touch.y_max = 1;
554 touch.native_yres = touch.y_max - touch.y_min;
555 touch.pressure_min = 0;
556 touch.pressure_max = 1;
557 touch.native_pressureres = touch.pressure_max - touch.pressure_min;
558
559 if (SDL_AddTouch(&touch, "") < 0) {
560 continue;
561 }
562 }
563
564 // Get the normalized coordinates for the window
565 x = (float)(input->x - rect.left)/(rect.right - rect.left);
566 y = (float)(input->y - rect.top)/(rect.bottom - rect.top);
567
568 if (input->dwFlags & TOUCHEVENTF_DOWN) {
569 SDL_SendFingerDown(touchId, input->dwID, SDL_TRUE, x, y, 1);
570 }
571 if (input->dwFlags & TOUCHEVENTF_MOVE) {
572 SDL_SendTouchMotion(touchId, input->dwID, SDL_FALSE, x, y, 1);
573 }
574 if (input->dwFlags & TOUCHEVENTF_UP) {
575 SDL_SendFingerDown(touchId, input->dwID, SDL_FALSE, x, y, 1);
576 }
577 }
533 } 578 }
534 fprintf(log, "WM_TOUCH = %d -- 0x%X, 0x%X\n",msg, wParam, lParam); 579 SDL_stack_free(inputs);
535 fclose(log); 580
536 #endif 581 data->videodata->CloseTouchInputHandle((HTOUCHINPUT)lParam);
537 582 return 0;
538 } 583 }
539 break; 584 break;
540 case WM_GESTURE:
541 {
542 //printf("Got Touch Event!\n");
543
544 #ifdef WMMSG_DEBUG
545 FILE *log = fopen("wmmsg.txt", "a");
546 fprintf(log, "Received Gesture Message: %p ", hwnd);
547 if (msg > MAX_WMMSG) {
548 fprintf(log, "%d", msg);
549 } else {
550 fprintf(log, "%s", wmtab[msg]);
551 }
552 fprintf(log, "WM_GESTURE = %d -- 0x%X, 0x%X\n",msg, wParam, lParam);
553 fclose(log);
554 #endif
555 }
556 break;
557 } 585 }
558 586
559 /* If there's a window proc, assume it's going to handle messages */ 587 /* If there's a window proc, assume it's going to handle messages */
560 if (data->wndproc) { 588 if (data->wndproc) {
561 return CallWindowProc(data->wndproc, hwnd, msg, wParam, lParam); 589 return CallWindowProc(data->wndproc, hwnd, msg, wParam, lParam);