SDL_mirmouse.c
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/*
Simple DirectMedia Layer
Copyright (C) 1997-2016 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.
*/
/*
Contributed by Brandon Schaefer, <brandon.schaefer@canonical.com>
*/
#include "../../SDL_internal.h"
#if SDL_VIDEO_DRIVER_MIR
#include "../../events/SDL_mouse_c.h"
#include "../SDL_sysvideo.h"
#include "SDL_assert.h"
#include "SDL_mirdyn.h"
#include "SDL_mirvideo.h"
#include "SDL_mirmouse.h"
#include "SDL_mirwindow.h"
typedef struct
{
MirCursorConfiguration* conf;
MirBufferStream* stream;
} MIR_Cursor;
static SDL_Cursor*
MIR_CreateDefaultCursor()
{
SDL_Cursor* cursor;
cursor = SDL_calloc(1, sizeof(SDL_Cursor));
if (cursor) {
MIR_Cursor* mir_cursor = SDL_calloc(1, sizeof(MIR_Cursor));
if (mir_cursor) {
mir_cursor->conf = NULL;
mir_cursor->stream = NULL;
cursor->driverdata = mir_cursor;
}
else {
SDL_OutOfMemory();
}
}
else {
SDL_OutOfMemory();
}
return cursor;
}
static void
CopySurfacePixelsToMirStream(SDL_Surface* surface, MirBufferStream* stream)
{
char* dest, *pixels;
int i, s_w, s_h, r_stride, p_stride, bytes_per_pixel, bytes_per_row;
MirGraphicsRegion region;
MIR_mir_buffer_stream_get_graphics_region(stream, &region);
s_w = surface->w;
s_h = surface->h;
bytes_per_pixel = surface->format->BytesPerPixel;
bytes_per_row = bytes_per_pixel * s_w;
dest = region.vaddr;
pixels = (char*)surface->pixels;
r_stride = region.stride;
p_stride = surface->pitch;
for (i = 0; i < s_h; i++)
{
memcpy(dest, pixels, bytes_per_row);
dest += r_stride;
pixels += p_stride;
}
}
static SDL_Cursor*
MIR_CreateCursor(SDL_Surface* surface, int hot_x, int hot_y)
{
MirCursorConfiguration* conf;
MirBufferStream* stream;
int s_w = surface->w;
int s_h = surface->h;
MIR_Data* mir_data = (MIR_Data*)SDL_GetVideoDevice()->driverdata;
SDL_Cursor* cursor = MIR_CreateDefaultCursor();
MIR_Cursor* mir_cursor = (MIR_Cursor*)cursor->driverdata;
stream = MIR_mir_connection_create_buffer_stream_sync(mir_data->connection,
s_w, s_h, mir_data->pixel_format,
mir_buffer_usage_software);
conf = MIR_mir_cursor_configuration_from_buffer_stream(stream, hot_x, hot_y);
CopySurfacePixelsToMirStream(surface, stream);
MIR_mir_buffer_stream_swap_buffers_sync(stream);
mir_cursor->conf = conf;
mir_cursor->stream = stream;
return cursor;
}
static SDL_Cursor*
MIR_CreateSystemCursor(SDL_SystemCursor id)
{
char const* cursor_name = NULL;
MirCursorConfiguration* conf;
SDL_Cursor* cursor = MIR_CreateDefaultCursor();
switch(id) {
case SDL_SYSTEM_CURSOR_ARROW:
cursor_name = MIR_mir_arrow_cursor_name;
break;
case SDL_SYSTEM_CURSOR_IBEAM:
cursor_name = MIR_mir_caret_cursor_name;
break;
case SDL_SYSTEM_CURSOR_WAIT:
cursor_name = MIR_mir_busy_cursor_name;
break;
case SDL_SYSTEM_CURSOR_CROSSHAIR:
/* Unsupported */
cursor_name = MIR_mir_arrow_cursor_name;
break;
case SDL_SYSTEM_CURSOR_WAITARROW:
cursor_name = MIR_mir_busy_cursor_name;
break;
case SDL_SYSTEM_CURSOR_SIZENWSE:
cursor_name = MIR_mir_omnidirectional_resize_cursor_name;
break;
case SDL_SYSTEM_CURSOR_SIZENESW:
cursor_name = MIR_mir_omnidirectional_resize_cursor_name;
break;
case SDL_SYSTEM_CURSOR_SIZEWE:
cursor_name = MIR_mir_horizontal_resize_cursor_name;
break;
case SDL_SYSTEM_CURSOR_SIZENS:
cursor_name = MIR_mir_vertical_resize_cursor_name;
break;
case SDL_SYSTEM_CURSOR_SIZEALL:
cursor_name = MIR_mir_omnidirectional_resize_cursor_name;
break;
case SDL_SYSTEM_CURSOR_NO:
/* Unsupported */
cursor_name = MIR_mir_closed_hand_cursor_name;
break;
case SDL_SYSTEM_CURSOR_HAND:
cursor_name = MIR_mir_open_hand_cursor_name;
break;
default:
SDL_assert(0);
return NULL;
}
conf = MIR_mir_cursor_configuration_from_name(cursor_name);
cursor->driverdata = conf;
return cursor;
}
static void
MIR_FreeCursor(SDL_Cursor* cursor)
{
if (cursor) {
if (cursor->driverdata) {
MIR_Cursor* mir_cursor = (MIR_Cursor*)cursor->driverdata;
if (mir_cursor->conf)
MIR_mir_cursor_configuration_destroy(mir_cursor->conf);
if (mir_cursor->stream)
MIR_mir_buffer_stream_release_sync(mir_cursor->stream);
SDL_free(mir_cursor);
}
SDL_free(cursor);
}
}
static int
MIR_ShowCursor(SDL_Cursor* cursor)
{
MIR_Data* mir_data = (MIR_Data*)SDL_GetVideoDevice()->driverdata;
MIR_Window* mir_window = mir_data->current_window;
if (cursor && cursor->driverdata) {
if (mir_window && MIR_mir_surface_is_valid(mir_window->surface)) {
MIR_Cursor* mir_cursor = (MIR_Cursor*)cursor->driverdata;
if (mir_cursor->conf) {
MIR_mir_wait_for(MIR_mir_surface_configure_cursor(mir_window->surface, mir_cursor->conf));
}
}
}
else if(mir_window && MIR_mir_surface_is_valid(mir_window->surface)) {
MIR_mir_wait_for(MIR_mir_surface_configure_cursor(mir_window->surface, NULL));
}
return 0;
}
static void
MIR_WarpMouse(SDL_Window* window, int x, int y)
{
SDL_Unsupported();
}
static int
MIR_WarpMouseGlobal(int x, int y)
{
return SDL_Unsupported();
}
static int
MIR_SetRelativeMouseMode(SDL_bool enabled)
{
return SDL_Unsupported();
}
/* TODO Actually implement the cursor, need to wait for mir support */
void
MIR_InitMouse()
{
SDL_Mouse* mouse = SDL_GetMouse();
mouse->CreateCursor = MIR_CreateCursor;
mouse->ShowCursor = MIR_ShowCursor;
mouse->FreeCursor = MIR_FreeCursor;
mouse->WarpMouse = MIR_WarpMouse;
mouse->WarpMouseGlobal = MIR_WarpMouseGlobal;
mouse->CreateSystemCursor = MIR_CreateSystemCursor;
mouse->SetRelativeMouseMode = MIR_SetRelativeMouseMode;
SDL_SetDefaultCursor(MIR_CreateDefaultCursor());
}
void
MIR_FiniMouse()
{
SDL_Mouse* mouse = SDL_GetMouse();
MIR_FreeCursor(mouse->def_cursor);
mouse->def_cursor = NULL;
mouse->CreateCursor = NULL;
mouse->ShowCursor = NULL;
mouse->FreeCursor = NULL;
mouse->WarpMouse = NULL;
mouse->CreateSystemCursor = NULL;
mouse->SetRelativeMouseMode = NULL;
}
#endif /* SDL_VIDEO_DRIVER_MIR */
/* vi: set ts=4 sw=4 expandtab: */
SDL_GetMouse
SDL_Mouse * SDL_GetMouse(void)
Definition: SDL_mouse.c:66
SDL_Mouse::ShowCursor
int(* ShowCursor)(SDL_Cursor *cursor)
Definition: SDL_mouse_c.h:52
SDL_SYSTEM_CURSOR_ARROW
Definition: SDL_mouse.h:48
SDL_mirmouse.h
SDL_Surface::h
int h
Definition: SDL_surface.h:73
SDL_SYSTEM_CURSOR_HAND
Definition: SDL_mouse.h:59
stream
GLuint GLuint stream
Definition: SDL_opengl_glext.h:1776
x
GLint GLint GLint GLint GLint x
Definition: SDL_opengl.h:1567
SDL_mirvideo.h
SDL_PixelFormat::BytesPerPixel
Uint8 BytesPerPixel
Definition: SDL_pixels.h:304
SDL_Mouse::SetRelativeMouseMode
int(* SetRelativeMouseMode)(SDL_bool enabled)
Definition: SDL_mouse_c.h:67
window
SDL_Window * window
Definition: testautomation_render.c:26
MIR_Data::pixel_format
MirPixelFormat pixel_format
Definition: SDL_mirvideo.h:39
SDL_Surface
A collection of pixels used in software blitting.
Definition: SDL_surface.h:69
SDL_VideoDevice::driverdata
void * driverdata
Definition: SDL_sysvideo.h:332
SDL_Cursor
Definition: SDL_mouse_c.h:30
SDL_mirwindow.h
MIR_FiniMouse
void MIR_FiniMouse()
MIR_Window
Definition: SDL_mirwindow.h:34
pixels
GLint GLint GLsizei GLsizei GLsizei GLint GLenum GLenum const GLvoid * pixels
Definition: SDL_opengl.h:1565
SDL_Surface::w
int w
Definition: SDL_surface.h:73
SDL_SYSTEM_CURSOR_SIZEALL
Definition: SDL_mouse.h:57
MIR_Data
Definition: SDL_mirvideo.h:34
SDL_bool
SDL_bool
Definition: SDL_stdinc.h:126
SDL_SYSTEM_CURSOR_SIZEWE
Definition: SDL_mouse.h:55
MIR_Data::connection
MirConnection * connection
Definition: SDL_mirvideo.h:36
SDL_Mouse::CreateCursor
SDL_Cursor *(* CreateCursor)(SDL_Surface *surface, int hot_x, int hot_y)
Definition: SDL_mouse_c.h:46
SDL_calloc
void * SDL_calloc(size_t nmemb, size_t size)
MIR_Data::current_window
MIR_Window * current_window
Definition: SDL_mirvideo.h:37
y
GLint GLint GLint GLint GLint GLint y
Definition: SDL_opengl.h:1567
SDL_Surface::pixels
void * pixels
Definition: SDL_surface.h:75
SDL_SYSTEM_CURSOR_SIZENWSE
Definition: SDL_mouse.h:53
SDL_free
void SDL_free(void *mem)
SDL_SystemCursor
SDL_SystemCursor
Cursor types for SDL_CreateSystemCursor.
Definition: SDL_mouse.h:46
cursor
SDL_Cursor * cursor
Definition: testwm2.c:40
SDL_mirdyn.h
SDL_SetDefaultCursor
void SDL_SetDefaultCursor(SDL_Cursor *cursor)
Definition: SDL_mouse.c:55
SDL_Mouse::WarpMouseGlobal
int(* WarpMouseGlobal)(int x, int y)
Definition: SDL_mouse_c.h:64
enabled
GLenum GLenum GLsizei const GLuint GLboolean enabled
Definition: SDL_opengl_glext.h:2479
SDL_Mouse::FreeCursor
void(* FreeCursor)(SDL_Cursor *cursor)
Definition: SDL_mouse_c.h:58
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:42
SDL_assert
#define SDL_assert(condition)
Definition: SDL_assert.h:167
SDL_SYSTEM_CURSOR_CROSSHAIR
Definition: SDL_mouse.h:51
NULL
#define NULL
Definition: begin_code.h:143
SDL_OutOfMemory
#define SDL_OutOfMemory()
Definition: SDL_error.h:52
SDL_Surface::format
SDL_PixelFormat * format
Definition: SDL_surface.h:72
SDL_SYSTEM_CURSOR_WAIT
Definition: SDL_mouse.h:50
memcpy
#define memcpy
Definition: SDL_malloc.c:640
SDL_Window
The type used to identify a window.
Definition: SDL_sysvideo.h:71
SDL_SYSTEM_CURSOR_IBEAM
Definition: SDL_mouse.h:49
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_SYSTEM_CURSOR_SIZENESW
Definition: SDL_mouse.h:54
SDL_GetVideoDevice
SDL_VideoDevice * SDL_GetVideoDevice(void)
Definition: SDL_video.c:573
SDL_Mouse
Definition: SDL_mouse_c.h:43
SDL_SYSTEM_CURSOR_NO
Definition: SDL_mouse.h:58
SDL_SYSTEM_CURSOR_SIZENS
Definition: SDL_mouse.h:56
MIR_Window::surface
MirSurface * surface
Definition: SDL_mirwindow.h:38
SDL_SYSTEM_CURSOR_WAITARROW
Definition: SDL_mouse.h:52
SDL_Mouse::CreateSystemCursor
SDL_Cursor *(* CreateSystemCursor)(SDL_SystemCursor id)
Definition: SDL_mouse_c.h:49
SDL_Cursor::driverdata
void * driverdata
Definition: SDL_mouse_c.h:33
SDL_Unsupported
#define SDL_Unsupported()
Definition: SDL_error.h:53
MIR_InitMouse
void MIR_InitMouse()
SDL_assert.h
SDL_Mouse::def_cursor
SDL_Cursor * def_cursor
Definition: SDL_mouse_c.h:92