SDL_DirectFB_mouse.c
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/*
Simple DirectMedia Layer
Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#include "../../SDL_internal.h"
#if SDL_VIDEO_DRIVER_DIRECTFB
#include "SDL_assert.h"
#include "SDL_DirectFB_video.h"
#include "SDL_DirectFB_mouse.h"
#include "SDL_DirectFB_modes.h"
#include "SDL_DirectFB_window.h"
#include "../SDL_sysvideo.h"
#include "../../events/SDL_mouse_c.h"
static SDL_Cursor *DirectFB_CreateDefaultCursor(void);
static SDL_Cursor *DirectFB_CreateCursor(SDL_Surface * surface,
int hot_x, int hot_y);
static int DirectFB_ShowCursor(SDL_Cursor * cursor);
static void DirectFB_FreeCursor(SDL_Cursor * cursor);
static void DirectFB_WarpMouse(SDL_Window * window, int x, int y);
static const char *arrow[] = {
/* pixels */
"X ",
"XX ",
"X.X ",
"X..X ",
"X...X ",
"X....X ",
"X.....X ",
"X......X ",
"X.......X ",
"X........X ",
"X.....XXXXX ",
"X..X..X ",
"X.X X..X ",
"XX X..X ",
"X X..X ",
" X..X ",
" X..X ",
" X..X ",
" XX ",
" ",
" ",
" ",
" ",
" ",
" ",
" ",
" ",
" ",
" ",
" ",
" ",
" ",
};
static SDL_Cursor *
DirectFB_CreateDefaultCursor(void)
{
SDL_VideoDevice *dev = SDL_GetVideoDevice();
SDL_DFB_DEVICEDATA(dev);
DFB_CursorData *curdata;
DFBSurfaceDescription dsc;
SDL_Cursor *cursor;
Uint32 *dest;
int pitch, i, j;
SDL_DFB_ALLOC_CLEAR( cursor, sizeof(*cursor));
SDL_DFB_ALLOC_CLEAR(curdata, sizeof(*curdata));
dsc.flags =
DSDESC_WIDTH | DSDESC_HEIGHT | DSDESC_PIXELFORMAT | DSDESC_CAPS;
dsc.caps = DSCAPS_VIDEOONLY;
dsc.width = 32;
dsc.height = 32;
dsc.pixelformat = DSPF_ARGB;
SDL_DFB_CHECKERR(devdata->dfb->CreateSurface(devdata->dfb, &dsc,
&curdata->surf));
curdata->hotx = 0;
curdata->hoty = 0;
cursor->driverdata = curdata;
SDL_DFB_CHECKERR(curdata->surf->Lock(curdata->surf, DSLF_WRITE,
(void *) &dest, &pitch));
/* Relies on the fact that this is only called with ARGB surface. */
for (i = 0; i < 32; i++)
{
for (j = 0; j < 32; j++)
{
switch (arrow[i][j])
{
case ' ': dest[j] = 0x00000000; break;
case '.': dest[j] = 0xffffffff; break;
case 'X': dest[j] = 0xff000000; break;
}
}
dest += (pitch >> 2);
}
curdata->surf->Unlock(curdata->surf);
return cursor;
error:
return NULL;
}
/* Create a cursor from a surface */
static SDL_Cursor *
DirectFB_CreateCursor(SDL_Surface * surface, int hot_x, int hot_y)
{
SDL_VideoDevice *dev = SDL_GetVideoDevice();
SDL_DFB_DEVICEDATA(dev);
DFB_CursorData *curdata;
DFBSurfaceDescription dsc;
SDL_Cursor *cursor;
Uint32 *dest;
Uint32 *p;
int pitch, i;
SDL_assert(surface->format->format == SDL_PIXELFORMAT_ARGB8888);
SDL_assert(surface->pitch == surface->w * 4);
SDL_DFB_ALLOC_CLEAR( cursor, sizeof(*cursor));
SDL_DFB_ALLOC_CLEAR(curdata, sizeof(*curdata));
dsc.flags =
DSDESC_WIDTH | DSDESC_HEIGHT | DSDESC_PIXELFORMAT | DSDESC_CAPS;
dsc.caps = DSCAPS_VIDEOONLY;
dsc.width = surface->w;
dsc.height = surface->h;
dsc.pixelformat = DSPF_ARGB;
SDL_DFB_CHECKERR(devdata->dfb->CreateSurface(devdata->dfb, &dsc,
&curdata->surf));
curdata->hotx = hot_x;
curdata->hoty = hot_y;
cursor->driverdata = curdata;
SDL_DFB_CHECKERR(curdata->surf->Lock(curdata->surf, DSLF_WRITE,
(void *) &dest, &pitch));
p = surface->pixels;
for (i = 0; i < surface->h; i++)
memcpy((char *) dest + i * pitch,
(char *) p + i * surface->pitch, 4 * surface->w);
curdata->surf->Unlock(curdata->surf);
return cursor;
error:
return NULL;
}
/* Show the specified cursor, or hide if cursor is NULL */
static int
DirectFB_ShowCursor(SDL_Cursor * cursor)
{
SDL_DFB_CURSORDATA(cursor);
SDL_Window *window;
window = SDL_GetFocusWindow();
if (!window)
return -1;
else {
SDL_VideoDisplay *display = SDL_GetDisplayForWindow(window);
if (display) {
DFB_DisplayData *dispdata =
(DFB_DisplayData *) display->driverdata;
DFB_WindowData *windata = (DFB_WindowData *) window->driverdata;
if (cursor)
SDL_DFB_CHECKERR(windata->dfbwin->
SetCursorShape(windata->dfbwin,
curdata->surf, curdata->hotx,
curdata->hoty));
SDL_DFB_CHECKERR(dispdata->layer->
SetCooperativeLevel(dispdata->layer,
DLSCL_ADMINISTRATIVE));
SDL_DFB_CHECKERR(dispdata->layer->
SetCursorOpacity(dispdata->layer,
cursor ? 0xC0 : 0x00));
SDL_DFB_CHECKERR(dispdata->layer->
SetCooperativeLevel(dispdata->layer,
DLSCL_SHARED));
}
}
return 0;
error:
return -1;
}
/* Free a window manager cursor */
static void
DirectFB_FreeCursor(SDL_Cursor * cursor)
{
SDL_DFB_CURSORDATA(cursor);
SDL_DFB_RELEASE(curdata->surf);
SDL_DFB_FREE(cursor->driverdata);
SDL_DFB_FREE(cursor);
}
/* Warp the mouse to (x,y) */
static void
DirectFB_WarpMouse(SDL_Window * window, int x, int y)
{
SDL_VideoDisplay *display = SDL_GetDisplayForWindow(window);
DFB_DisplayData *dispdata = (DFB_DisplayData *) display->driverdata;
DFB_WindowData *windata = (DFB_WindowData *) window->driverdata;
int cx, cy;
SDL_DFB_CHECKERR(windata->dfbwin->GetPosition(windata->dfbwin, &cx, &cy));
SDL_DFB_CHECKERR(dispdata->layer->WarpCursor(dispdata->layer,
cx + x + windata->client.x,
cy + y + windata->client.y));
error:
return;
}
#if USE_MULTI_API
static void DirectFB_MoveCursor(SDL_Cursor * cursor);
static void DirectFB_WarpMouse(SDL_Mouse * mouse, SDL_Window * window,
int x, int y);
static void DirectFB_FreeMouse(SDL_Mouse * mouse);
static int id_mask;
static DFBEnumerationResult
EnumMice(DFBInputDeviceID device_id, DFBInputDeviceDescription desc,
void *callbackdata)
{
DFB_DeviceData *devdata = callbackdata;
if ((desc.type & DIDTF_MOUSE) && (device_id & id_mask)) {
SDL_Mouse mouse;
SDL_zero(mouse);
mouse.id = device_id;
mouse.CreateCursor = DirectFB_CreateCursor;
mouse.ShowCursor = DirectFB_ShowCursor;
mouse.MoveCursor = DirectFB_MoveCursor;
mouse.FreeCursor = DirectFB_FreeCursor;
mouse.WarpMouse = DirectFB_WarpMouse;
mouse.FreeMouse = DirectFB_FreeMouse;
mouse.cursor_shown = 1;
SDL_AddMouse(&mouse, desc.name, 0, 0, 1);
devdata->mouse_id[devdata->num_mice++] = device_id;
}
return DFENUM_OK;
}
void
DirectFB_InitMouse(_THIS)
{
SDL_DFB_DEVICEDATA(_this);
devdata->num_mice = 0;
if (devdata->use_linux_input) {
/* try non-core devices first */
id_mask = 0xF0;
devdata->dfb->EnumInputDevices(devdata->dfb, EnumMice, devdata);
if (devdata->num_mice == 0) {
/* try core devices */
id_mask = 0x0F;
devdata->dfb->EnumInputDevices(devdata->dfb, EnumMice, devdata);
}
}
if (devdata->num_mice == 0) {
SDL_Mouse mouse;
SDL_zero(mouse);
mouse.CreateCursor = DirectFB_CreateCursor;
mouse.ShowCursor = DirectFB_ShowCursor;
mouse.MoveCursor = DirectFB_MoveCursor;
mouse.FreeCursor = DirectFB_FreeCursor;
mouse.WarpMouse = DirectFB_WarpMouse;
mouse.FreeMouse = DirectFB_FreeMouse;
mouse.cursor_shown = 1;
SDL_AddMouse(&mouse, "Mouse", 0, 0, 1);
devdata->num_mice = 1;
}
}
void
DirectFB_QuitMouse(_THIS)
{
SDL_DFB_DEVICEDATA(_this);
if (devdata->use_linux_input) {
SDL_MouseQuit();
} else {
SDL_DelMouse(0);
}
}
/* This is called when a mouse motion event occurs */
static void
DirectFB_MoveCursor(SDL_Cursor * cursor)
{
}
/* Warp the mouse to (x,y) */
static void
DirectFB_WarpMouse(SDL_Mouse * mouse, SDL_Window * window, int x, int y)
{
SDL_VideoDisplay *display = SDL_GetDisplayForWindow(window);
DFB_DisplayData *dispdata = (DFB_DisplayData *) display->driverdata;
DFB_WindowData *windata = (DFB_WindowData *) window->driverdata;
DFBResult ret;
int cx, cy;
SDL_DFB_CHECKERR(windata->dfbwin->GetPosition(windata->dfbwin, &cx, &cy));
SDL_DFB_CHECKERR(dispdata->layer->WarpCursor(dispdata->layer,
cx + x + windata->client.x,
cy + y + windata->client.y));
error:
return;
}
/* Free the mouse when it's time */
static void
DirectFB_FreeMouse(SDL_Mouse * mouse)
{
/* nothing yet */
}
#else /* USE_MULTI_API */
void
DirectFB_InitMouse(_THIS)
{
SDL_DFB_DEVICEDATA(_this);
SDL_Mouse *mouse = SDL_GetMouse();
mouse->CreateCursor = DirectFB_CreateCursor;
mouse->ShowCursor = DirectFB_ShowCursor;
mouse->WarpMouse = DirectFB_WarpMouse;
mouse->FreeCursor = DirectFB_FreeCursor;
SDL_SetDefaultCursor(DirectFB_CreateDefaultCursor());
devdata->num_mice = 1;
}
void
DirectFB_QuitMouse(_THIS)
{
}
#endif
#endif /* SDL_VIDEO_DRIVER_DIRECTFB */
/* vi: set ts=4 sw=4 expandtab: */
SDL_DirectFB_modes.h
SDL_DirectFB_video.h
SDL_PIXELFORMAT_ARGB8888
Definition: SDL_pixels.h:248
SDL_GetMouse
SDL_Mouse * SDL_GetMouse(void)
Definition: SDL_mouse.c:112
SDL_DFB_FREE
#define SDL_DFB_FREE(x)
Definition: SDL_DirectFB_video.h:79
SDL_Mouse::ShowCursor
int(* ShowCursor)(SDL_Cursor *cursor)
Definition: SDL_mouse_c.h:52
SDL_Surface::h
int h
Definition: SDL_surface.h:73
x
GLint GLint GLint GLint GLint x
Definition: SDL_opengl.h:1574
p
GLfloat GLfloat p
Definition: SDL_opengl_glext.h:11090
surface
EGLSurface surface
Definition: eglext.h:248
SDL_Surface
A collection of pixels used in software blitting.
Definition: SDL_surface.h:69
SDL_Cursor
Definition: SDL_mouse_c.h:30
Uint32
uint32_t Uint32
Definition: SDL_stdinc.h:181
SDL_Surface::w
int w
Definition: SDL_surface.h:73
SDL_MouseQuit
void SDL_MouseQuit(void)
Definition: SDL_mouse.c:566
SDL_DFB_RELEASE
#define SDL_DFB_RELEASE(x)
Definition: SDL_DirectFB_video.h:78
DirectFB_QuitMouse
void DirectFB_QuitMouse(_THIS)
_this
static SDL_VideoDevice * _this
Definition: SDL_video.c:121
DirectFB_InitMouse
void DirectFB_InitMouse(_THIS)
arrow
static const char * arrow[]
Definition: testcustomcursor.c:27
SDL_DirectFB_window.h
SDL_Mouse::CreateCursor
SDL_Cursor *(* CreateCursor)(SDL_Surface *surface, int hot_x, int hot_y)
Definition: SDL_mouse_c.h:46
SDL_DFB_DEVICEDATA
#define SDL_DFB_DEVICEDATA(dev)
Definition: SDL_DirectFB_video.h:126
SDL_Surface::pixels
void * pixels
Definition: SDL_surface.h:75
_THIS
#define _THIS
Definition: SDL_alsa_audio.h:31
SDL_GetFocusWindow
SDL_Window * SDL_GetFocusWindow(void)
Definition: SDL_video.c:2594
SDL_Mouse::cursor_shown
SDL_bool cursor_shown
Definition: SDL_mouse_c.h:102
j
return Display return Display Bool Bool int int int return Display XEvent Bool(*) XPointer return Display return Display Drawable _Xconst char unsigned int unsigned int return Display Pixmap Pixmap XColor XColor unsigned int unsigned int return Display _Xconst char char int char return Display Visual unsigned int int int char unsigned int unsigned int int in j)
Definition: SDL_x11sym.h:50
SDL_zero
#define SDL_zero(x)
Definition: SDL_stdinc.h:416
y
GLint GLint GLint GLint GLint GLint y
Definition: SDL_opengl.h:1574
SDL_SetDefaultCursor
void SDL_SetDefaultCursor(SDL_Cursor *cursor)
Definition: SDL_mouse.c:101
cursor
SDL_Cursor * cursor
Definition: testcustomcursor.c:119
SDL_VideoDisplay
Definition: SDL_sysvideo.h:125
i
return Display return Display Bool Bool int int int return Display XEvent Bool(*) XPointer return Display return Display Drawable _Xconst char unsigned int unsigned int return Display Pixmap Pixmap XColor XColor unsigned int unsigned int return Display _Xconst char char int char return Display Visual unsigned int int int char unsigned int unsigned int in i)
Definition: SDL_x11sym.h:50
SDL_Mouse::FreeCursor
void(* FreeCursor)(SDL_Cursor *cursor)
Definition: SDL_mouse_c.h:58
SDL_assert
#define SDL_assert(condition)
Definition: SDL_assert.h:169
NULL
#define NULL
Definition: begin_code.h:164
SDL_DFB_ALLOC_CLEAR
#define SDL_DFB_ALLOC_CLEAR(r, s)
Definition: SDL_DirectFB_video.h:122
SDL_DFB_CHECKERR
#define SDL_DFB_CHECKERR(x...)
Definition: SDL_DirectFB_video.h:100
SDL_Surface::format
SDL_PixelFormat * format
Definition: SDL_surface.h:72
SDL_GetDisplayForWindow
SDL_VideoDisplay * SDL_GetDisplayForWindow(SDL_Window *window)
Definition: SDL_video.c:1073
window
EGLSurface EGLNativeWindowType * window
Definition: eglext.h:1025
memcpy
#define memcpy
Definition: SDL_malloc.c:622
SDL_Window
The type used to identify a window.
Definition: SDL_sysvideo.h:73
SDL_DirectFB_mouse.h
SDL_DFB_CURSORDATA
#define SDL_DFB_CURSORDATA(curs)
Definition: SDL_DirectFB_mouse.h:37
SDL_Mouse::WarpMouse
void(* WarpMouse)(SDL_Window *window, int x, int y)
Definition: SDL_mouse_c.h:61
SDL_Surface::pitch
int pitch
Definition: SDL_surface.h:74
SDL_VideoDevice
Definition: SDL_sysvideo.h:147
SDL_GetVideoDevice
SDL_VideoDevice * SDL_GetVideoDevice(void)
Definition: SDL_video.c:586
SDL_Mouse
Definition: SDL_mouse_c.h:43
SDL_Window::driverdata
void * driverdata
Definition: SDL_sysvideo.h:111
SDL_PixelFormat::format
Uint32 format
Definition: SDL_pixels.h:317
SDL_Mouse::MoveCursor
void(* MoveCursor)(SDL_Cursor *cursor)
Definition: SDL_mouse_c.h:55
SDL_Cursor::driverdata
void * driverdata
Definition: SDL_mouse_c.h:33
SDL_VideoDisplay::driverdata
void * driverdata
Definition: SDL_sysvideo.h:138
SDL_assert.h
hot_x
int uint32_t uint32_t uint32_t uint32_t uint32_t int drmModeModeInfoPtr mode int uint32_t uint32_t uint32_t uint32_t int32_t hot_x
Definition: SDL_kmsdrmsym.h:55