SDL_mirmouse.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.
*/
/*
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;
char const* name;
} 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;
mir_cursor->name = NULL;
cursor->driverdata = mir_cursor;
}
else {
SDL_OutOfMemory();
SDL_free(cursor);
cursor = NULL;
}
}
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++)
{
SDL_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;
if (!cursor) {
return NULL;
}
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;
SDL_Cursor* cursor;
MIR_Cursor* mir_cursor;
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;
}
cursor = MIR_CreateDefaultCursor();
if (!cursor) {
return NULL;
}
mir_cursor = (MIR_Cursor*)cursor->driverdata;
mir_cursor->name = cursor_name;
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_window_is_valid(mir_window->window)) {
MIR_Cursor* mir_cursor = (MIR_Cursor*)cursor->driverdata;
if (mir_cursor->name != NULL) {
MirWindowSpec* spec = MIR_mir_create_window_spec(mir_data->connection);
MIR_mir_window_spec_set_cursor_name(spec, mir_cursor->name);
MIR_mir_window_apply_spec(mir_window->window, spec);
MIR_mir_window_spec_release(spec);
}
if (mir_cursor->conf) {
MIR_mir_window_configure_cursor(mir_window->window, mir_cursor->conf);
}
}
}
else if(mir_window && MIR_mir_window_is_valid(mir_window->window)) {
MIR_mir_window_configure_cursor(mir_window->window, 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 0;
}
/* 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()
{
}
#endif /* SDL_VIDEO_DRIVER_MIR */
/* vi: set ts=4 sw=4 expandtab: */
SDL_GetMouse
SDL_Mouse * SDL_GetMouse(void)
Definition: SDL_mouse.c:112
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
x
GLint GLint GLint GLint GLint x
Definition: SDL_opengl.h:1574
SDL_mirvideo.h
SDL_PixelFormat::BytesPerPixel
Uint8 BytesPerPixel
Definition: SDL_pixels.h:320
SDL_Mouse::SetRelativeMouseMode
int(* SetRelativeMouseMode)(SDL_bool enabled)
Definition: SDL_mouse_c.h:67
MIR_Data::pixel_format
MirPixelFormat pixel_format
Definition: SDL_mirvideo.h:41
surface
EGLSurface surface
Definition: eglext.h:248
SDL_Surface
A collection of pixels used in software blitting.
Definition: SDL_surface.h:69
SDL_VideoDevice::driverdata
void * driverdata
Definition: SDL_sysvideo.h:377
SDL_Cursor
Definition: SDL_mouse_c.h:30
SDL_mirwindow.h
MIR_FiniMouse
void MIR_FiniMouse()
MIR_Window
Definition: SDL_mirwindow.h:34
SDL_Surface::w
int w
Definition: SDL_surface.h:73
name
GLuint const GLchar * name
Definition: SDL_opengl_glext.h:660
SDL_SYSTEM_CURSOR_SIZEALL
Definition: SDL_mouse.h:57
MIR_Data
Definition: SDL_mirvideo.h:35
SDL_SYSTEM_CURSOR_SIZEWE
Definition: SDL_mouse.h:55
spec
SDL_AudioSpec spec
Definition: loopwave.c:31
MIR_Data::connection
MirConnection * connection
Definition: SDL_mirvideo.h:37
SDL_Mouse::CreateCursor
SDL_Cursor *(* CreateCursor)(SDL_Surface *surface, int hot_x, int hot_y)
Definition: SDL_mouse_c.h:46
SDL_memcpy
#define SDL_memcpy
Definition: SDL_dynapi_overrides.h:387
MIR_Data::current_window
MIR_Window * current_window
Definition: SDL_mirvideo.h:39
stream
GLuint GLuint stream
Definition: SDL_opengl_glext.h:1776
SDL_Surface::pixels
void * pixels
Definition: SDL_surface.h:75
SDL_SYSTEM_CURSOR_SIZENWSE
Definition: SDL_mouse.h:53
SDL_free
#define SDL_free
Definition: SDL_dynapi_overrides.h:377
SDL_SystemCursor
SDL_SystemCursor
Cursor types for SDL_CreateSystemCursor().
Definition: SDL_mouse.h:46
MIR_Window::window
MirWindow * window
Definition: SDL_mirwindow.h:38
y
GLint GLint GLint GLint GLint GLint y
Definition: SDL_opengl.h:1574
pixels
GLint GLint GLsizei GLsizei GLsizei GLint GLenum GLenum const GLvoid * pixels
Definition: SDL_opengl.h:1572
SDL_mirdyn.h
SDL_SetDefaultCursor
void SDL_SetDefaultCursor(SDL_Cursor *cursor)
Definition: SDL_mouse.c:101
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
cursor
SDL_Cursor * cursor
Definition: testcustomcursor.c:119
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
SDL_SYSTEM_CURSOR_CROSSHAIR
Definition: SDL_mouse.h:51
NULL
#define NULL
Definition: begin_code.h:164
SDL_OutOfMemory
#define SDL_OutOfMemory()
Definition: SDL_error.h:52
SDL_bool
SDL_bool
Definition: SDL_stdinc.h:139
SDL_Surface::format
SDL_PixelFormat * format
Definition: SDL_surface.h:72
SDL_SYSTEM_CURSOR_WAIT
Definition: SDL_mouse.h:50
SDL_calloc
#define SDL_calloc
Definition: SDL_dynapi_overrides.h:375
window
EGLSurface EGLNativeWindowType * window
Definition: eglext.h:1025
SDL_Window
The type used to identify a window.
Definition: SDL_sysvideo.h:73
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:586
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
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
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