Merged Ryan's SDL-gui-backend branch.

Adds three APIs, and implements them on X11, Cocoa, and Windows:

- SDL_CaptureMouse()
- SDL_GetGlobalMouseState()
- SDL_SetWindowHitTest()
This commit is contained in:
Ryan C. Gordon 2014-06-25 17:06:12 -04:00
commit b273873297
28 changed files with 901 additions and 59 deletions

View file

@ -584,3 +584,6 @@
#define SDL_sqrtf SDL_sqrtf_REAL
#define SDL_tan SDL_tan_REAL
#define SDL_tanf SDL_tanf_REAL
#define SDL_CaptureMouse SDL_CaptureMouse_REAL
#define SDL_SetWindowHitTest SDL_SetWindowHitTest_REAL
#define SDL_GetGlobalMouseState SDL_GetGlobalMouseState_REAL

View file

@ -616,3 +616,6 @@ SDL_DYNAPI_PROC(void,SDL_WarpMouseGlobal,(int a, int b),(a,b),)
SDL_DYNAPI_PROC(float,SDL_sqrtf,(float a),(a),return)
SDL_DYNAPI_PROC(double,SDL_tan,(double a),(a),return)
SDL_DYNAPI_PROC(float,SDL_tanf,(float a),(a),return)
SDL_DYNAPI_PROC(int,SDL_CaptureMouse,(SDL_bool a),(a),return)
SDL_DYNAPI_PROC(int,SDL_SetWindowHitTest,(SDL_Window *a, SDL_HitTest b, void *c),(a,b,c),return)
SDL_DYNAPI_PROC(Uint32,SDL_GetGlobalMouseState,(int *a, int *b),(a,b),return)

View file

@ -25,6 +25,7 @@
#include "SDL_timer.h"
#include "SDL_events.h"
#include "SDL_events_c.h"
#include "SDL_assert.h"
#include "../video/SDL_sysvideo.h"
@ -619,6 +620,16 @@ SDL_SetKeyboardFocus(SDL_Window * window)
/* See if the current window has lost focus */
if (keyboard->focus && keyboard->focus != window) {
/* new window shouldn't think it has mouse captured. */
SDL_assert(!window || !(window->flags & SDL_WINDOW_MOUSE_CAPTURE));
/* old window must lose an existing mouse capture. */
if (keyboard->focus->flags & SDL_WINDOW_MOUSE_CAPTURE) {
SDL_CaptureMouse(SDL_FALSE); /* drop the capture. */
SDL_assert(!(keyboard->focus->flags & SDL_WINDOW_MOUSE_CAPTURE));
}
SDL_SendWindowEvent(keyboard->focus, SDL_WINDOWEVENT_FOCUS_LOST,
0, 0);

View file

@ -140,14 +140,14 @@ static SDL_bool
SDL_UpdateMouseFocus(SDL_Window * window, int x, int y, Uint32 buttonstate)
{
SDL_Mouse *mouse = SDL_GetMouse();
int w, h;
SDL_bool inWindow;
SDL_bool inWindow = SDL_TRUE;
SDL_GetWindowSize(window, &w, &h);
if (x < 0 || y < 0 || x >= w || y >= h) {
inWindow = SDL_FALSE;
} else {
inWindow = SDL_TRUE;
if ((window->flags & SDL_WINDOW_MOUSE_CAPTURE) == 0) {
int w, h;
SDL_GetWindowSize(window, &w, &h);
if (x < 0 || y < 0 || x >= w || y >= h) {
inWindow = SDL_FALSE;
}
}
/* Linux doesn't give you mouse events outside your window unless you grab
@ -246,24 +246,29 @@ SDL_PrivateSendMouseMotion(SDL_Window * window, SDL_MouseID mouseID, int relativ
mouse->y += yrel;
}
/* !!! FIXME: shouldn't this be (window) instead of (mouse->focus)? */
SDL_GetWindowSize(mouse->focus, &x_max, &y_max);
--x_max;
--y_max;
/* make sure that the pointers find themselves inside the windows,
unless we have the mouse captured. */
if ((window->flags & SDL_WINDOW_MOUSE_CAPTURE) == 0) {
int x_max = 0, y_max = 0;
/* make sure that the pointers find themselves inside the windows */
if (mouse->x > x_max) {
mouse->x = x_max;
}
if (mouse->x < 0) {
mouse->x = 0;
}
// !!! FIXME: shouldn't this be (window) instead of (mouse->focus)?
SDL_GetWindowSize(mouse->focus, &x_max, &y_max);
--x_max;
--y_max;
if (mouse->y > y_max) {
mouse->y = y_max;
}
if (mouse->y < 0) {
mouse->y = 0;
if (mouse->x > x_max) {
mouse->x = x_max;
}
if (mouse->x < 0) {
mouse->x = 0;
}
if (mouse->y > y_max) {
mouse->y = y_max;
}
if (mouse->y < 0) {
mouse->y = 0;
}
}
mouse->xdelta += xrel;
@ -426,6 +431,7 @@ SDL_MouseQuit(void)
SDL_Cursor *cursor, *next;
SDL_Mouse *mouse = SDL_GetMouse();
SDL_CaptureMouse(SDL_FALSE);
SDL_SetRelativeMouseMode(SDL_FALSE);
SDL_ShowCursor(1);
@ -477,16 +483,42 @@ SDL_GetRelativeMouseState(int *x, int *y)
return mouse->buttonstate;
}
Uint32
SDL_GetGlobalMouseState(int *x, int *y)
{
SDL_Mouse *mouse = SDL_GetMouse();
int tmpx, tmpy;
/* make sure these are never NULL for the backend implementations... */
if (!x) {
x = &tmpx;
}
if (!y) {
y = &tmpy;
}
*x = *y = 0;
if (!mouse->GetGlobalMouseState) {
SDL_assert(0 && "This should really be implemented for every target.");
return 0;
}
return mouse->GetGlobalMouseState(x, y);
}
void
SDL_WarpMouseInWindow(SDL_Window * window, int x, int y)
{
SDL_Mouse *mouse = SDL_GetMouse();
if (window == NULL)
if (window == NULL) {
window = mouse->focus;
}
if (window == NULL)
if (window == NULL) {
return;
}
if (mouse->WarpMouse) {
mouse->WarpMouse(window, x, y);

View file

@ -66,6 +66,12 @@ typedef struct
/* Set relative mode */
int (*SetRelativeMouseMode) (SDL_bool enabled);
/* Set mouse capture */
int (*CaptureMouse) (SDL_Window * window);
/* Get absolute mouse coordinates. (x) and (y) are never NULL and set to zero before call. */
Uint32 (*GetGlobalMouseState) (int *x, int *y);
/* Data common to all mice */
SDL_MouseID mouseID;
SDL_Window *focus;

View file

@ -1379,6 +1379,14 @@ SDLTest_CommonEvent(SDLTest_CommonState * state, SDL_Event * event, int *done)
}
}
}
if (withShift) {
SDL_Window *current_win = SDL_GetKeyboardFocus();
if (current_win) {
const SDL_bool shouldCapture = (SDL_GetWindowFlags(current_win) & SDL_WINDOW_MOUSE_CAPTURE) == 0;
const int rc = SDL_CaptureMouse(shouldCapture);
SDL_Log("%sapturing mouse %s!\n", shouldCapture ? "C" : "Unc", (rc == 0) ? "succeeded" : "failed");
}
}
break;
case SDLK_v:
if (withControl) {
@ -1478,6 +1486,19 @@ SDLTest_CommonEvent(SDLTest_CommonState * state, SDL_Event * event, int *done)
}
}
break;
case SDLK_a:
if (withControl) {
/* Ctrl-A reports absolute mouse position. */
int x, y;
const Uint32 mask = SDL_GetGlobalMouseState(&x, &y);
SDL_Log("ABSOLUTE MOUSE: (%d, %d)%s%s%s%s%s\n", x, y,
(mask & SDL_BUTTON_LMASK) ? " [LBUTTON]" : "",
(mask & SDL_BUTTON_MMASK) ? " [MBUTTON]" : "",
(mask & SDL_BUTTON_RMASK) ? " [RBUTTON]" : "",
(mask & SDL_BUTTON_X1MASK) ? " [X2BUTTON]" : "",
(mask & SDL_BUTTON_X2MASK) ? " [X2BUTTON]" : "");
}
break;
case SDLK_0:
if (withControl) {
SDL_Window *window = SDL_GetWindowFromID(event->key.windowID);

View file

@ -97,6 +97,9 @@ struct SDL_Window
SDL_WindowShaper *shaper;
SDL_HitTest hit_test;
void *hit_test_data;
SDL_WindowUserData *data;
void *driverdata;
@ -261,6 +264,9 @@ struct SDL_VideoDevice
/* MessageBox */
int (*ShowMessageBox) (_THIS, const SDL_MessageBoxData *messageboxdata, int *buttonid);
/* Hit-testing */
int (*SetWindowHitTest)(SDL_Window * window, SDL_bool enabled);
/* * * */
/* Data common to all drivers */
SDL_bool suspend_screensaver;

View file

@ -1428,6 +1428,11 @@ SDL_RecreateWindow(SDL_Window * window, Uint32 flags)
SDL_SetWindowIcon(window, icon);
SDL_FreeSurface(icon);
}
if (window->hit_test) {
_this->SetWindowHitTest(window, SDL_TRUE);
}
SDL_FinishWindowCreation(window, flags);
return 0;
@ -3292,12 +3297,17 @@ SDL_ShowMessageBox(const SDL_MessageBoxData *messageboxdata, int *buttonid)
int retval = -1;
SDL_bool relative_mode;
int show_cursor_prev;
SDL_bool mouse_captured;
SDL_Window *current_window;
if (!messageboxdata) {
return SDL_InvalidParamError("messageboxdata");
}
current_window = SDL_GetKeyboardFocus();
mouse_captured = current_window && ((SDL_GetWindowFlags(current_window) & SDL_WINDOW_MOUSE_CAPTURE) != 0);
relative_mode = SDL_GetRelativeMouseMode();
SDL_CaptureMouse(SDL_FALSE);
SDL_SetRelativeMouseMode(SDL_FALSE);
show_cursor_prev = SDL_ShowCursor(1);
@ -3349,6 +3359,13 @@ SDL_ShowMessageBox(const SDL_MessageBoxData *messageboxdata, int *buttonid)
SDL_SetError("No message system available");
}
if (current_window) {
SDL_RaiseWindow(current_window);
if (mouse_captured) {
SDL_CaptureMouse(SDL_TRUE);
}
}
SDL_ShowCursor(show_cursor_prev);
SDL_SetRelativeMouseMode(relative_mode);
@ -3391,4 +3408,21 @@ SDL_ShouldAllowTopmost(void)
return SDL_TRUE;
}
int
SDL_SetWindowHitTest(SDL_Window * window, SDL_HitTest callback, void *userdata)
{
CHECK_WINDOW_MAGIC(window, -1);
if (!_this->SetWindowHitTest) {
return SDL_Unsupported();
} else if (_this->SetWindowHitTest(window, callback != NULL) == -1) {
return -1;
}
window->hit_test = callback;
window->hit_test_data = userdata;
return 0;
}
/* vi: set ts=4 sw=4 expandtab: */

View file

@ -307,6 +307,39 @@ Cocoa_SetRelativeMouseMode(SDL_bool enabled)
return 0;
}
static int
Cocoa_CaptureMouse(SDL_Window *window)
{
/* our Cocoa event code already tracks the mouse outside the window,
so all we have to do here is say "okay" and do what we always do. */
return 0;
}
static Uint32
Cocoa_GetGlobalMouseState(int *x, int *y)
{
const NSUInteger cocoaButtons = [NSEvent pressedMouseButtons];
const NSPoint cocoaLocation = [NSEvent mouseLocation];
Uint32 retval = 0;
for (NSScreen *screen in [NSScreen screens]) {
NSRect frame = [screen frame];
if (NSPointInRect(cocoaLocation, frame)) {
*x = (int) cocoaLocation.x;
*y = (int) ((frame.origin.y + frame.size.height) - cocoaLocation.y);
break;
}
}
retval |= (cocoaButtons & (1 << 0)) ? SDL_BUTTON_LMASK : 0;
retval |= (cocoaButtons & (1 << 1)) ? SDL_BUTTON_RMASK : 0;
retval |= (cocoaButtons & (1 << 2)) ? SDL_BUTTON_MMASK : 0;
retval |= (cocoaButtons & (1 << 3)) ? SDL_BUTTON_X1MASK : 0;
retval |= (cocoaButtons & (1 << 4)) ? SDL_BUTTON_X2MASK : 0;
return retval;
}
void
Cocoa_InitMouse(_THIS)
{
@ -321,6 +354,8 @@ Cocoa_InitMouse(_THIS)
mouse->WarpMouse = Cocoa_WarpMouse;
mouse->WarpMouseGlobal = Cocoa_WarpMouseGlobal;
mouse->SetRelativeMouseMode = Cocoa_SetRelativeMouseMode;
mouse->CaptureMouse = Cocoa_CaptureMouse;
mouse->GetGlobalMouseState = Cocoa_GetGlobalMouseState;
SDL_SetDefaultCursor(Cocoa_CreateDefaultCursor());

View file

@ -108,6 +108,7 @@ Cocoa_CreateDevice(int devindex)
device->SetWindowGrab = Cocoa_SetWindowGrab;
device->DestroyWindow = Cocoa_DestroyWindow;
device->GetWindowWMInfo = Cocoa_GetWindowWMInfo;
device->SetWindowHitTest = Cocoa_SetWindowHitTest;
device->shape_driver.CreateShaper = Cocoa_CreateShaper;
device->shape_driver.SetWindowShape = Cocoa_SetWindowShape;

View file

@ -45,6 +45,7 @@ typedef enum
PendingWindowOperation pendingWindowOperation;
BOOL isMoving;
int pendingWindowWarpX, pendingWindowWarpY;
BOOL isDragAreaRunning;
}
-(void) listen:(SDL_WindowData *) data;
@ -75,6 +76,9 @@ typedef enum
-(void) windowDidExitFullScreen:(NSNotification *) aNotification;
-(NSApplicationPresentationOptions)window:(NSWindow *)window willUseFullScreenPresentationOptions:(NSApplicationPresentationOptions)proposedOptions;
/* See if event is in a drag area, toggle on window dragging. */
-(BOOL) processHitTest:(NSEvent *)theEvent;
/* Window event handling */
-(void) mouseDown:(NSEvent *) theEvent;
-(void) rightMouseDown:(NSEvent *) theEvent;
@ -138,8 +142,8 @@ extern int Cocoa_SetWindowGammaRamp(_THIS, SDL_Window * window, const Uint16 * r
extern int Cocoa_GetWindowGammaRamp(_THIS, SDL_Window * window, Uint16 * ramp);
extern void Cocoa_SetWindowGrab(_THIS, SDL_Window * window, SDL_bool grabbed);
extern void Cocoa_DestroyWindow(_THIS, SDL_Window * window);
extern SDL_bool Cocoa_GetWindowWMInfo(_THIS, SDL_Window * window,
struct SDL_SysWMinfo *info);
extern SDL_bool Cocoa_GetWindowWMInfo(_THIS, SDL_Window * window, struct SDL_SysWMinfo *info);
extern int Cocoa_SetWindowHitTest(SDL_Window *window, SDL_bool enabled);
#endif /* _SDL_cocoawindow_h */

View file

@ -192,6 +192,7 @@ SetWindowStyle(SDL_Window * window, unsigned int style)
inFullscreenTransition = NO;
pendingWindowOperation = PENDING_OPERATION_NONE;
isMoving = NO;
isDragAreaRunning = NO;
center = [NSNotificationCenter defaultCenter];
@ -663,10 +664,48 @@ SetWindowStyle(SDL_Window * window, unsigned int style)
/*Cocoa_HandleKeyEvent(SDL_GetVideoDevice(), theEvent);*/
}
/* We'll respond to selectors by doing nothing so we don't beep.
* The escape key gets converted to a "cancel" selector, etc.
*/
- (void)doCommandBySelector:(SEL)aSelector
{
/*NSLog(@"doCommandBySelector: %@\n", NSStringFromSelector(aSelector));*/
}
- (BOOL)processHitTest:(NSEvent *)theEvent
{
SDL_assert(isDragAreaRunning == [_data->nswindow isMovableByWindowBackground]);
if (_data->window->hit_test) { /* if no hit-test, skip this. */
const NSPoint location = [theEvent locationInWindow];
const SDL_Point point = { (int) location.x, _data->window->h - (((int) location.y)-1) };
const SDL_HitTestResult rc = _data->window->hit_test(_data->window, &point, _data->window->hit_test_data);
if (rc == SDL_HITTEST_DRAGGABLE) {
if (!isDragAreaRunning) {
isDragAreaRunning = YES;
[_data->nswindow setMovableByWindowBackground:YES];
}
return YES; /* dragging! */
}
}
if (isDragAreaRunning) {
isDragAreaRunning = NO;
[_data->nswindow setMovableByWindowBackground:NO];
return YES; /* was dragging, drop event. */
}
return NO; /* not a special area, carry on. */
}
- (void)mouseDown:(NSEvent *)theEvent
{
int button;
if ([self processHitTest:theEvent]) {
return; /* dragging, drop event. */
}
switch ([theEvent buttonNumber]) {
case 0:
if (([theEvent modifierFlags] & NSControlKeyMask) &&
@ -705,6 +744,10 @@ SetWindowStyle(SDL_Window * window, unsigned int style)
{
int button;
if ([self processHitTest:theEvent]) {
return; /* stopped dragging, drop event. */
}
switch ([theEvent buttonNumber]) {
case 0:
if (wasCtrlLeft) {
@ -744,6 +787,10 @@ SetWindowStyle(SDL_Window * window, unsigned int style)
NSPoint point;
int x, y;
if ([self processHitTest:theEvent]) {
return; /* dragging, drop event. */
}
if (mouse->relative_mode) {
return;
}
@ -752,8 +799,8 @@ SetWindowStyle(SDL_Window * window, unsigned int style)
x = (int)point.x;
y = (int)(window->h - point.y);
if (x < 0 || x >= window->w || y < 0 || y >= window->h) {
if (window->flags & SDL_WINDOW_INPUT_GRABBED) {
if (window->flags & SDL_WINDOW_INPUT_GRABBED) {
if (x < 0 || x >= window->w || y < 0 || y >= window->h) {
if (x < 0) {
x = 0;
} else if (x >= window->w) {
@ -890,6 +937,7 @@ SetWindowStyle(SDL_Window * window, unsigned int style)
/* The default implementation doesn't pass rightMouseDown to responder chain */
- (void)rightMouseDown:(NSEvent *)theEvent;
- (BOOL)mouseDownCanMoveWindow;
@end
@implementation SDLView
@ -898,6 +946,14 @@ SetWindowStyle(SDL_Window * window, unsigned int style)
[[self nextResponder] rightMouseDown:theEvent];
}
- (BOOL)mouseDownCanMoveWindow
{
/* Always say YES, but this doesn't do anything until we call
-[NSWindow setMovableByWindowBackground:YES], which we ninja-toggle
during mouse events when we're using a drag area. */
return YES;
}
- (void)resetCursorRects
{
[super resetCursorRects];
@ -995,6 +1051,7 @@ SetupWindowData(_THIS, SDL_Window * window, NSWindow *nswindow, SDL_bool created
/* All done! */
[pool release];
window->driverdata = data;
return 0;
}
@ -1566,6 +1623,12 @@ Cocoa_SetWindowFullscreenSpace(SDL_Window * window, SDL_bool state)
return succeeded;
}
int
Cocoa_SetWindowHitTest(SDL_Window * window, SDL_bool enabled)
{
return 0; /* just succeed, the real work is done elsewhere. */
}
#endif /* SDL_VIDEO_DRIVER_COCOA */
/* vi: set ts=4 sw=4 expandtab: */

View file

@ -30,6 +30,7 @@
#include "../../events/SDL_events_c.h"
#include "../../events/SDL_touch_c.h"
#include "../../events/scancodes_windows.h"
#include "SDL_assert.h"
/* Dropfile support */
#include <shellapi.h>
@ -438,33 +439,55 @@ WIN_WindowProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
HRAWINPUT hRawInput = (HRAWINPUT)lParam;
RAWINPUT inp;
UINT size = sizeof(inp);
const SDL_bool isRelative = mouse->relative_mode || mouse->relative_mode_warp;
const SDL_bool isCapture = ((data->window->flags & SDL_WINDOW_MOUSE_CAPTURE) != 0);
if (!mouse->relative_mode || mouse->relative_mode_warp || mouse->focus != data->window) {
break;
if (!isRelative || mouse->focus != data->window) {
if (!isCapture) {
break;
}
}
GetRawInputData(hRawInput, RID_INPUT, &inp, &size, sizeof(RAWINPUTHEADER));
/* Mouse data */
if (inp.header.dwType == RIM_TYPEMOUSE) {
RAWMOUSE* mouse = &inp.data.mouse;
if (isRelative) {
RAWMOUSE* mouse = &inp.data.mouse;
if ((mouse->usFlags & 0x01) == MOUSE_MOVE_RELATIVE) {
SDL_SendMouseMotion(data->window, 0, 1, (int)mouse->lLastX, (int)mouse->lLastY);
} else {
/* synthesize relative moves from the abs position */
static SDL_Point initialMousePoint;
if (initialMousePoint.x == 0 && initialMousePoint.y == 0) {
initialMousePoint.x = mouse->lLastX;
initialMousePoint.y = mouse->lLastY;
}
SDL_SendMouseMotion(data->window, 0, 1, (int)(mouse->lLastX-initialMousePoint.x), (int)(mouse->lLastY-initialMousePoint.y) );
if ((mouse->usFlags & 0x01) == MOUSE_MOVE_RELATIVE) {
SDL_SendMouseMotion(data->window, 0, 1, (int)mouse->lLastX, (int)mouse->lLastY);
} else {
/* synthesize relative moves from the abs position */
static SDL_Point initialMousePoint;
if (initialMousePoint.x == 0 && initialMousePoint.y == 0) {
initialMousePoint.x = mouse->lLastX;
initialMousePoint.y = mouse->lLastY;
}
SDL_SendMouseMotion(data->window, 0, 1, (int)(mouse->lLastX-initialMousePoint.x), (int)(mouse->lLastY-initialMousePoint.y));
initialMousePoint.x = mouse->lLastX;
initialMousePoint.y = mouse->lLastY;
WIN_CheckRawMouseButtons( mouse->usButtonFlags, data );
} else if (isCapture) {
/* we check for where Windows thinks the system cursor lives in this case, so we don't really lose mouse accel, etc. */
POINT pt;
HWND hwnd = data->hwnd;
GetCursorPos(&pt);
if (WindowFromPoint(pt) != hwnd) { /* if in the window, WM_MOUSEMOVE, etc, will cover it. */
ScreenToClient(data->hwnd, &pt);
SDL_SendMouseMotion(data->window, 0, 0, (int) pt.x, (int) pt.y);
SDL_SendMouseButton(data->window, 0, GetAsyncKeyState(VK_LBUTTON) & 0x8000 ? SDL_PRESSED : SDL_RELEASED, SDL_BUTTON_LEFT);
SDL_SendMouseButton(data->window, 0, GetAsyncKeyState(VK_RBUTTON) & 0x8000 ? SDL_PRESSED : SDL_RELEASED, SDL_BUTTON_RIGHT);
SDL_SendMouseButton(data->window, 0, GetAsyncKeyState(VK_MBUTTON) & 0x8000 ? SDL_PRESSED : SDL_RELEASED, SDL_BUTTON_MIDDLE);
SDL_SendMouseButton(data->window, 0, GetAsyncKeyState(VK_XBUTTON1) & 0x8000 ? SDL_PRESSED : SDL_RELEASED, SDL_BUTTON_X1);
SDL_SendMouseButton(data->window, 0, GetAsyncKeyState(VK_XBUTTON2) & 0x8000 ? SDL_PRESSED : SDL_RELEASED, SDL_BUTTON_X2);
}
} else {
SDL_assert(0 && "Shouldn't happen");
}
WIN_CheckRawMouseButtons(mouse->usButtonFlags, data);
}
}
break;
@ -509,7 +532,7 @@ WIN_WindowProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
#ifdef WM_MOUSELEAVE
case WM_MOUSELEAVE:
if (SDL_GetMouseFocus() == data->window && !SDL_GetMouse()->relative_mode) {
if (SDL_GetMouseFocus() == data->window && !SDL_GetMouse()->relative_mode && !(data->window->flags & SDL_WINDOW_MOUSE_CAPTURE)) {
if (!IsIconic(hwnd)) {
POINT cursorPos;
GetCursorPos(&cursorPos);
@ -863,6 +886,32 @@ WIN_WindowProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
return 0;
}
break;
case WM_NCHITTEST:
{
SDL_Window *window = data->window;
if (window->hit_test) {
POINT winpoint = { (int) LOWORD(lParam), (int) HIWORD(lParam) };
if (ScreenToClient(data->hwnd, &winpoint)) {
const SDL_Point point = { (int) winpoint.x, (int) winpoint.y };
const SDL_HitTestResult rc = window->hit_test(window, &point, window->hit_test_data);
switch (rc) {
case SDL_HITTEST_DRAGGABLE: return HTCAPTION;
case SDL_HITTEST_RESIZE_TOPLEFT: return HTTOPLEFT;
case SDL_HITTEST_RESIZE_TOP: return HTTOP;
case SDL_HITTEST_RESIZE_TOPRIGHT: return HTTOPRIGHT;
case SDL_HITTEST_RESIZE_RIGHT: return HTRIGHT;
case SDL_HITTEST_RESIZE_BOTTOMRIGHT: return HTBOTTOMRIGHT;
case SDL_HITTEST_RESIZE_BOTTOM: return HTBOTTOM;
case SDL_HITTEST_RESIZE_BOTTOMLEFT: return HTBOTTOMLEFT;
case SDL_HITTEST_RESIZE_LEFT: return HTLEFT;
}
}
/* If we didn't return, this will call DefWindowProc below. */
}
}
break;
}
/* If there's a window proc, assume it's going to handle messages */

View file

@ -30,6 +30,44 @@
HCURSOR SDL_cursor = NULL;
static int rawInputEnableCount = 0;
static int
ToggleRawInput(SDL_bool enabled)
{
RAWINPUTDEVICE rawMouse = { 0x01, 0x02, 0, NULL }; /* Mouse: UsagePage = 1, Usage = 2 */
if (enabled) {
rawInputEnableCount++;
if (rawInputEnableCount > 1) {
return 0; /* already done. */
}
} else {
if (rawInputEnableCount == 0) {
return 0; /* already done. */
}
rawInputEnableCount--;
if (rawInputEnableCount > 0) {
return 0; /* not time to disable yet */
}
}
if (!enabled) {
rawMouse.dwFlags |= RIDEV_REMOVE;
}
/* (Un)register raw input for mice */
if (RegisterRawInputDevices(&rawMouse, 1, sizeof(RAWINPUTDEVICE)) == FALSE) {
/* Only return an error when registering. If we unregister and fail,
then it's probably that we unregistered twice. That's OK. */
if (enabled) {
return SDL_Unsupported();
}
}
return 0;
}
static SDL_Cursor *
WIN_CreateDefaultCursor()
@ -211,22 +249,43 @@ WIN_WarpMouseGlobal(int x, int y)
static int
WIN_SetRelativeMouseMode(SDL_bool enabled)
{
RAWINPUTDEVICE rawMouse = { 0x01, 0x02, 0, NULL }; /* Mouse: UsagePage = 1, Usage = 2 */
return ToggleRawInput(enabled);
}
if (!enabled) {
rawMouse.dwFlags |= RIDEV_REMOVE;
}
/* (Un)register raw input for mice */
if (RegisterRawInputDevices(&rawMouse, 1, sizeof(RAWINPUTDEVICE)) == FALSE) {
/* Only return an error when registering. If we unregister and fail,
then it's probably that we unregistered twice. That's OK. */
if (enabled) {
return SDL_Unsupported();
static int
WIN_CaptureMouse(SDL_Window *window)
{
if (!window) {
SDL_Window *focusWin = SDL_GetKeyboardFocus();
if (focusWin) {
SDL_WindowData *data = (SDL_WindowData *)focusWin->driverdata;
WIN_OnWindowEnter(SDL_GetVideoDevice(), focusWin); /* make sure WM_MOUSELEAVE messages are (re)enabled. */
}
}
return 0;
/* While we were thinking of SetCapture() when designing this API in SDL,
we didn't count on the fact that SetCapture() only tracks while the
left mouse button is held down! Instead, we listen for raw mouse input
and manually query the mouse when it leaves the window. :/ */
return ToggleRawInput(window != NULL);
}
static Uint32
WIN_GetGlobalMouseState(int *x, int *y)
{
Uint32 retval = 0;
POINT pt = { 0, 0 };
GetCursorPos(&pt);
*x = (int) pt.x;
*y = (int) pt.y;
retval |= GetAsyncKeyState(VK_LBUTTON) & 0x8000 ? SDL_BUTTON_LMASK : 0;
retval |= GetAsyncKeyState(VK_RBUTTON) & 0x8000 ? SDL_BUTTON_RMASK : 0;
retval |= GetAsyncKeyState(VK_MBUTTON) & 0x8000 ? SDL_BUTTON_MMASK : 0;
retval |= GetAsyncKeyState(VK_X1BUTTON) & 0x8000 ? SDL_BUTTON_X1MASK : 0;
retval |= GetAsyncKeyState(VK_X2BUTTON) & 0x8000 ? SDL_BUTTON_X2MASK : 0;
return retval;
}
void
@ -241,6 +300,8 @@ WIN_InitMouse(_THIS)
mouse->WarpMouse = WIN_WarpMouse;
mouse->WarpMouseGlobal = WIN_WarpMouseGlobal;
mouse->SetRelativeMouseMode = WIN_SetRelativeMouseMode;
mouse->CaptureMouse = WIN_CaptureMouse;
mouse->GetGlobalMouseState = WIN_GetGlobalMouseState;
SDL_SetDefaultCursor(WIN_CreateDefaultCursor());
@ -256,6 +317,11 @@ WIN_QuitMouse(_THIS)
mouse->def_cursor = NULL;
mouse->cur_cursor = NULL;
}
if (rawInputEnableCount) { /* force RAWINPUT off here. */
rawInputEnableCount = 1;
ToggleRawInput(SDL_FALSE);
}
}
#endif /* SDL_VIDEO_DRIVER_WINDOWS */

View file

@ -144,6 +144,7 @@ WIN_CreateDevice(int devindex)
device->UpdateWindowFramebuffer = WIN_UpdateWindowFramebuffer;
device->DestroyWindowFramebuffer = WIN_DestroyWindowFramebuffer;
device->OnWindowEnter = WIN_OnWindowEnter;
device->SetWindowHitTest = WIN_SetWindowHitTest;
device->shape_driver.CreateShaper = Win32_CreateShaper;
device->shape_driver.SetWindowShape = Win32_SetWindowShape;

View file

@ -785,6 +785,12 @@ WIN_UpdateClipCursor(SDL_Window *window)
}
}
int
WIN_SetWindowHitTest(SDL_Window *window, SDL_bool enabled)
{
return 0; /* just succeed, the real work is done elsewhere. */
}
#endif /* SDL_VIDEO_DRIVER_WINDOWS */
/* vi: set ts=4 sw=4 expandtab: */

View file

@ -69,6 +69,7 @@ extern SDL_bool WIN_GetWindowWMInfo(_THIS, SDL_Window * window,
struct SDL_SysWMinfo *info);
extern void WIN_OnWindowEnter(_THIS, SDL_Window * window);
extern void WIN_UpdateClipCursor(SDL_Window *window);
extern int WIN_SetWindowHitTest(SDL_Window *window, SDL_bool enabled);
#endif /* _SDL_windowswindow_h */

View file

@ -40,6 +40,42 @@
#include <stdio.h>
#ifndef _NET_WM_MOVERESIZE_SIZE_TOPLEFT
#define _NET_WM_MOVERESIZE_SIZE_TOPLEFT 0
#endif
#ifndef _NET_WM_MOVERESIZE_SIZE_TOP
#define _NET_WM_MOVERESIZE_SIZE_TOP 1
#endif
#ifndef _NET_WM_MOVERESIZE_SIZE_TOPRIGHT
#define _NET_WM_MOVERESIZE_SIZE_TOPRIGHT 2
#endif
#ifndef _NET_WM_MOVERESIZE_SIZE_RIGHT
#define _NET_WM_MOVERESIZE_SIZE_RIGHT 3
#endif
#ifndef _NET_WM_MOVERESIZE_SIZE_BOTTOMRIGHT
#define _NET_WM_MOVERESIZE_SIZE_BOTTOMRIGHT 4
#endif
#ifndef _NET_WM_MOVERESIZE_SIZE_BOTTOM
#define _NET_WM_MOVERESIZE_SIZE_BOTTOM 5
#endif
#ifndef _NET_WM_MOVERESIZE_SIZE_BOTTOMLEFT
#define _NET_WM_MOVERESIZE_SIZE_BOTTOMLEFT 6
#endif
#ifndef _NET_WM_MOVERESIZE_SIZE_LEFT
#define _NET_WM_MOVERESIZE_SIZE_LEFT 7
#endif
#ifndef _NET_WM_MOVERESIZE_MOVE
#define _NET_WM_MOVERESIZE_MOVE 8
#endif
typedef struct {
unsigned char *data;
int format, count;
@ -347,6 +383,124 @@ X11_DispatchUnmapNotify(SDL_WindowData *data)
SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_MINIMIZED, 0, 0);
}
static void
InitiateWindowMove(_THIS, const SDL_WindowData *data, const SDL_Point *point)
{
SDL_VideoData *viddata = (SDL_VideoData *) _this->driverdata;
SDL_Window* window = data->window;
Display *display = viddata->display;
/* !!! FIXME: we need to regrab this if necessary when the drag is done. */
X11_XUngrabPointer(display, 0L);
X11_XFlush(display);
XEvent evt;
evt.xclient.type = ClientMessage;
evt.xclient.window = data->xwindow;
evt.xclient.message_type = X11_XInternAtom(display, "_NET_WM_MOVERESIZE", True);
evt.xclient.format = 32;
evt.xclient.data.l[0] = window->x + point->x;
evt.xclient.data.l[1] = window->y + point->y;
evt.xclient.data.l[2] = _NET_WM_MOVERESIZE_MOVE;
evt.xclient.data.l[3] = Button1;
evt.xclient.data.l[4] = 0;
X11_XSendEvent(display, DefaultRootWindow(display), False, SubstructureRedirectMask | SubstructureNotifyMask, &evt);
X11_XSync(display, 0);
}
static void
InitiateWindowResize(_THIS, const SDL_WindowData *data, const SDL_Point *point, int direction)
{
SDL_VideoData *viddata = (SDL_VideoData *) _this->driverdata;
SDL_Window* window = data->window;
Display *display = viddata->display;
if (direction < _NET_WM_MOVERESIZE_SIZE_TOPLEFT || direction > _NET_WM_MOVERESIZE_SIZE_LEFT)
return;
/* !!! FIXME: we need to regrab this if necessary when the drag is done. */
X11_XUngrabPointer(display, 0L);
X11_XFlush(display);
XEvent evt;
evt.xclient.type = ClientMessage;
evt.xclient.window = data->xwindow;
evt.xclient.message_type = X11_XInternAtom(display, "_NET_WM_MOVERESIZE", True);
evt.xclient.format = 32;
evt.xclient.data.l[0] = window->x + point->x;
evt.xclient.data.l[1] = window->y + point->y;
evt.xclient.data.l[2] = direction;
evt.xclient.data.l[3] = Button1;
evt.xclient.data.l[4] = 0;
X11_XSendEvent(display, DefaultRootWindow(display), False, SubstructureRedirectMask | SubstructureNotifyMask, &evt);
X11_XSync(display, 0);
}
static SDL_bool
ProcessHitTest(_THIS, const SDL_WindowData *data, const XEvent *xev)
{
SDL_Window *window = data->window;
SDL_bool ret = SDL_FALSE;
if (window->hit_test) {
const SDL_Point point = { xev->xbutton.x, xev->xbutton.y };
const SDL_HitTestResult rc = window->hit_test(window, &point, window->hit_test_data);
switch (rc) {
case SDL_HITTEST_DRAGGABLE: {
InitiateWindowMove(_this, data, &point);
ret = SDL_TRUE;
}
break;
case SDL_HITTEST_RESIZE_TOPLEFT: {
InitiateWindowResize(_this, data, &point, _NET_WM_MOVERESIZE_SIZE_TOPLEFT);
ret = SDL_TRUE;
}
break;
case SDL_HITTEST_RESIZE_TOP: {
InitiateWindowResize(_this, data, &point, _NET_WM_MOVERESIZE_SIZE_TOP);
ret = SDL_TRUE;
}
break;
case SDL_HITTEST_RESIZE_TOPRIGHT: {
InitiateWindowResize(_this, data, &point, _NET_WM_MOVERESIZE_SIZE_TOPRIGHT);
ret = SDL_TRUE;
}
break;
case SDL_HITTEST_RESIZE_RIGHT: {
InitiateWindowResize(_this, data, &point, _NET_WM_MOVERESIZE_SIZE_RIGHT);
ret = SDL_TRUE;
}
break;
case SDL_HITTEST_RESIZE_BOTTOMRIGHT: {
InitiateWindowResize(_this, data, &point, _NET_WM_MOVERESIZE_SIZE_BOTTOMRIGHT);
ret = SDL_TRUE;
}
break;
case SDL_HITTEST_RESIZE_BOTTOM: {
InitiateWindowResize(_this, data, &point, _NET_WM_MOVERESIZE_SIZE_BOTTOM);
ret = SDL_TRUE;
}
break;
case SDL_HITTEST_RESIZE_BOTTOMLEFT: {
InitiateWindowResize(_this, data, &point, _NET_WM_MOVERESIZE_SIZE_BOTTOMLEFT);
ret = SDL_TRUE;
}
break;
case SDL_HITTEST_RESIZE_LEFT: {
InitiateWindowResize(_this, data, &point, _NET_WM_MOVERESIZE_SIZE_LEFT);
ret = SDL_TRUE;
}
break;
default:
break;
}
}
return ret;
}
static void
X11_DispatchEvent(_THIS)
{
@ -820,6 +974,11 @@ X11_DispatchEvent(_THIS)
if (X11_IsWheelEvent(display,&xevent,&ticks)) {
SDL_SendMouseWheel(data->window, 0, 0, ticks);
} else {
if(xevent.xbutton.button == Button1) {
if (ProcessHitTest(_this, data, &xevent)) {
break; /* don't pass this event on to app. */
}
}
SDL_SendMouseButton(data->window, 0, SDL_PRESSED, xevent.xbutton.button);
}
}

View file

@ -339,6 +339,62 @@ X11_SetRelativeMouseMode(SDL_bool enabled)
return -1;
}
static int
X11_CaptureMouse(SDL_Window *window)
{
Display *display = GetDisplay();
if (window) {
SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
const unsigned int mask = ButtonPressMask | ButtonReleaseMask | PointerMotionMask | FocusChangeMask;
const int rc = X11_XGrabPointer(display, data->xwindow, False,
mask, GrabModeAsync, GrabModeAsync,
None, None, CurrentTime);
if (rc != GrabSuccess) {
return SDL_SetError("X server refused mouse capture");
}
} else {
X11_XUngrabPointer(display, CurrentTime);
}
X11_XSync(display, False);
return 0;
}
static Uint32
X11_GetGlobalMouseState(int *x, int *y)
{
Display *display = GetDisplay();
const int num_screens = SDL_GetNumVideoDisplays();
int i;
/* !!! FIXME: should we XSync() here first? */
for (i = 0; i < num_screens; i++) {
SDL_DisplayData *data = (SDL_DisplayData *) SDL_GetDisplayDriverData(i);
if (data != NULL) {
Window root, child;
int rootx, rooty, winx, winy;
unsigned int mask;
if (X11_XQueryPointer(display, RootWindow(display, data->screen), &root, &child, &rootx, &rooty, &winx, &winy, &mask)) {
Uint32 retval = 0;
retval |= (mask & Button1Mask) ? SDL_BUTTON_LMASK : 0;
retval |= (mask & Button2Mask) ? SDL_BUTTON_MMASK : 0;
retval |= (mask & Button3Mask) ? SDL_BUTTON_RMASK : 0;
*x = data->x + rootx;
*y = data->y + rooty;
return retval;
}
}
}
SDL_assert(0 && "The pointer wasn't on any X11 screen?!");
return 0;
}
void
X11_InitMouse(_THIS)
{
@ -351,6 +407,8 @@ X11_InitMouse(_THIS)
mouse->WarpMouse = X11_WarpMouse;
mouse->WarpMouseGlobal = X11_WarpMouseGlobal;
mouse->SetRelativeMouseMode = X11_SetRelativeMouseMode;
mouse->CaptureMouse = X11_CaptureMouse;
mouse->GetGlobalMouseState = X11_GetGlobalMouseState;
SDL_SetDefaultCursor(X11_CreateDefaultCursor());
}

View file

@ -243,6 +243,7 @@ X11_CreateDevice(int devindex)
device->UpdateWindowFramebuffer = X11_UpdateWindowFramebuffer;
device->DestroyWindowFramebuffer = X11_DestroyWindowFramebuffer;
device->GetWindowWMInfo = X11_GetWindowWMInfo;
device->SetWindowHitTest = X11_SetWindowHitTest;
device->shape_driver.CreateShaper = X11_CreateShaper;
device->shape_driver.SetWindowShape = X11_SetWindowShape;

View file

@ -1445,6 +1445,12 @@ X11_GetWindowWMInfo(_THIS, SDL_Window * window, SDL_SysWMinfo * info)
}
}
int
X11_SetWindowHitTest(SDL_Window *window, SDL_bool enabled)
{
return 0; /* just succeed, the real work is done elsewhere. */
}
#endif /* SDL_VIDEO_DRIVER_X11 */
/* vi: set ts=4 sw=4 expandtab: */

View file

@ -93,6 +93,7 @@ extern void X11_SetWindowGrab(_THIS, SDL_Window * window, SDL_bool grabbed);
extern void X11_DestroyWindow(_THIS, SDL_Window * window);
extern SDL_bool X11_GetWindowWMInfo(_THIS, SDL_Window * window,
struct SDL_SysWMinfo *info);
extern int X11_SetWindowHitTest(SDL_Window *window, SDL_bool enabled);
#endif /* _SDL_x11window_h */