bindings-GLFW-3.1: glfw/src/mir_window.c
//========================================================================
// GLFW 3.1 Mir - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2014 Brandon Schaefer <brandon.schaefer@canonical.com>
//
// 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 "internal.h"
#include "xkb_unicode.h"
#include <linux/input.h>
#include <stdlib.h>
#include <string.h>
typedef struct EventNode
{
TAILQ_ENTRY(EventNode) entries;
MirEvent* event;
_GLFWwindow* window;
} EventNode;
static void deleteNode(EventQueue* queue, EventNode* node)
{
free(node->event);
free(node);
}
static int emptyEventQueue(EventQueue* queue)
{
return queue->head.tqh_first == NULL ? GL_TRUE : GL_FALSE;
}
static EventNode* newEventNode(MirEvent const* event, _GLFWwindow* context)
{
EventNode* new_node = calloc(1, sizeof(EventNode));
new_node->event = calloc(1, sizeof(MirEvent));
new_node->window = context;
memcpy(new_node->event, event, sizeof(MirEvent));
return new_node;
}
static void enqueueEvent(MirEvent const* event, _GLFWwindow* context)
{
pthread_mutex_lock(&_glfw.mir.event_mutex);
EventNode* new_node = newEventNode(event, context);
TAILQ_INSERT_TAIL(&_glfw.mir.event_queue->head, new_node, entries);
pthread_cond_signal(&_glfw.mir.event_cond);
pthread_mutex_unlock(&_glfw.mir.event_mutex);
}
static EventNode* dequeueEvent(EventQueue* queue)
{
EventNode* node = NULL;
pthread_mutex_lock(&_glfw.mir.event_mutex);
node = queue->head.tqh_first;
if (node)
TAILQ_REMOVE(&queue->head, node, entries);
pthread_mutex_unlock(&_glfw.mir.event_mutex);
return node;
}
static MirPixelFormat findValidPixelFormat(void)
{
unsigned int i, validFormats, mirPixelFormats = 32;
MirPixelFormat formats[mir_pixel_formats];
mir_connection_get_available_surface_formats(_glfw.mir.connection, formats,
mirPixelFormats, &validFormats);
for (i = 0; i < validFormats; i++)
{
if (formats[i] == mir_pixel_format_abgr_8888 ||
formats[i] == mir_pixel_format_xbgr_8888 ||
formats[i] == mir_pixel_format_argb_8888 ||
formats[i] == mir_pixel_format_xrgb_8888)
{
return formats[i];
}
}
return mir_pixel_format_invalid;
}
static int mirModToGLFWMod(uint32_t mods)
{
int publicMods = 0x0;
if (mods & mir_key_modifier_alt)
publicMods |= GLFW_MOD_ALT;
else if (mods & mir_key_modifier_shift)
publicMods |= GLFW_MOD_SHIFT;
else if (mods & mir_key_modifier_ctrl)
publicMods |= GLFW_MOD_CONTROL;
else if (mods & mir_key_modifier_meta)
publicMods |= GLFW_MOD_SUPER;
return publicMods;
}
// Taken from wl_init.c
static int toGLFWKeyCode(uint32_t key)
{
switch (key)
{
case KEY_GRAVE: return GLFW_KEY_GRAVE_ACCENT;
case KEY_1: return GLFW_KEY_1;
case KEY_2: return GLFW_KEY_2;
case KEY_3: return GLFW_KEY_3;
case KEY_4: return GLFW_KEY_4;
case KEY_5: return GLFW_KEY_5;
case KEY_6: return GLFW_KEY_6;
case KEY_7: return GLFW_KEY_7;
case KEY_8: return GLFW_KEY_8;
case KEY_9: return GLFW_KEY_9;
case KEY_0: return GLFW_KEY_0;
case KEY_MINUS: return GLFW_KEY_MINUS;
case KEY_EQUAL: return GLFW_KEY_EQUAL;
case KEY_Q: return GLFW_KEY_Q;
case KEY_W: return GLFW_KEY_W;
case KEY_E: return GLFW_KEY_E;
case KEY_R: return GLFW_KEY_R;
case KEY_T: return GLFW_KEY_T;
case KEY_Y: return GLFW_KEY_Y;
case KEY_U: return GLFW_KEY_U;
case KEY_I: return GLFW_KEY_I;
case KEY_O: return GLFW_KEY_O;
case KEY_P: return GLFW_KEY_P;
case KEY_LEFTBRACE: return GLFW_KEY_LEFT_BRACKET;
case KEY_RIGHTBRACE: return GLFW_KEY_RIGHT_BRACKET;
case KEY_A: return GLFW_KEY_A;
case KEY_S: return GLFW_KEY_S;
case KEY_D: return GLFW_KEY_D;
case KEY_F: return GLFW_KEY_F;
case KEY_G: return GLFW_KEY_G;
case KEY_H: return GLFW_KEY_H;
case KEY_J: return GLFW_KEY_J;
case KEY_K: return GLFW_KEY_K;
case KEY_L: return GLFW_KEY_L;
case KEY_SEMICOLON: return GLFW_KEY_SEMICOLON;
case KEY_APOSTROPHE: return GLFW_KEY_APOSTROPHE;
case KEY_Z: return GLFW_KEY_Z;
case KEY_X: return GLFW_KEY_X;
case KEY_C: return GLFW_KEY_C;
case KEY_V: return GLFW_KEY_V;
case KEY_B: return GLFW_KEY_B;
case KEY_N: return GLFW_KEY_N;
case KEY_M: return GLFW_KEY_M;
case KEY_COMMA: return GLFW_KEY_COMMA;
case KEY_DOT: return GLFW_KEY_PERIOD;
case KEY_SLASH: return GLFW_KEY_SLASH;
case KEY_BACKSLASH: return GLFW_KEY_BACKSLASH;
case KEY_ESC: return GLFW_KEY_ESCAPE;
case KEY_TAB: return GLFW_KEY_TAB;
case KEY_LEFTSHIFT: return GLFW_KEY_LEFT_SHIFT;
case KEY_RIGHTSHIFT: return GLFW_KEY_RIGHT_SHIFT;
case KEY_LEFTCTRL: return GLFW_KEY_LEFT_CONTROL;
case KEY_RIGHTCTRL: return GLFW_KEY_RIGHT_CONTROL;
case KEY_LEFTALT: return GLFW_KEY_LEFT_ALT;
case KEY_RIGHTALT: return GLFW_KEY_RIGHT_ALT;
case KEY_LEFTMETA: return GLFW_KEY_LEFT_SUPER;
case KEY_RIGHTMETA: return GLFW_KEY_RIGHT_SUPER;
case KEY_MENU: return GLFW_KEY_MENU;
case KEY_NUMLOCK: return GLFW_KEY_NUM_LOCK;
case KEY_CAPSLOCK: return GLFW_KEY_CAPS_LOCK;
case KEY_PRINT: return GLFW_KEY_PRINT_SCREEN;
case KEY_SCROLLLOCK: return GLFW_KEY_SCROLL_LOCK;
case KEY_PAUSE: return GLFW_KEY_PAUSE;
case KEY_DELETE: return GLFW_KEY_DELETE;
case KEY_BACKSPACE: return GLFW_KEY_BACKSPACE;
case KEY_ENTER: return GLFW_KEY_ENTER;
case KEY_HOME: return GLFW_KEY_HOME;
case KEY_END: return GLFW_KEY_END;
case KEY_PAGEUP: return GLFW_KEY_PAGE_UP;
case KEY_PAGEDOWN: return GLFW_KEY_PAGE_DOWN;
case KEY_INSERT: return GLFW_KEY_INSERT;
case KEY_LEFT: return GLFW_KEY_LEFT;
case KEY_RIGHT: return GLFW_KEY_RIGHT;
case KEY_DOWN: return GLFW_KEY_DOWN;
case KEY_UP: return GLFW_KEY_UP;
case KEY_F1: return GLFW_KEY_F1;
case KEY_F2: return GLFW_KEY_F2;
case KEY_F3: return GLFW_KEY_F3;
case KEY_F4: return GLFW_KEY_F4;
case KEY_F5: return GLFW_KEY_F5;
case KEY_F6: return GLFW_KEY_F6;
case KEY_F7: return GLFW_KEY_F7;
case KEY_F8: return GLFW_KEY_F8;
case KEY_F9: return GLFW_KEY_F9;
case KEY_F10: return GLFW_KEY_F10;
case KEY_F11: return GLFW_KEY_F11;
case KEY_F12: return GLFW_KEY_F12;
case KEY_F13: return GLFW_KEY_F13;
case KEY_F14: return GLFW_KEY_F14;
case KEY_F15: return GLFW_KEY_F15;
case KEY_F16: return GLFW_KEY_F16;
case KEY_F17: return GLFW_KEY_F17;
case KEY_F18: return GLFW_KEY_F18;
case KEY_F19: return GLFW_KEY_F19;
case KEY_F20: return GLFW_KEY_F20;
case KEY_F21: return GLFW_KEY_F21;
case KEY_F22: return GLFW_KEY_F22;
case KEY_F23: return GLFW_KEY_F23;
case KEY_F24: return GLFW_KEY_F24;
case KEY_KPSLASH: return GLFW_KEY_KP_DIVIDE;
case KEY_KPDOT: return GLFW_KEY_KP_MULTIPLY;
case KEY_KPMINUS: return GLFW_KEY_KP_SUBTRACT;
case KEY_KPPLUS: return GLFW_KEY_KP_ADD;
case KEY_KP0: return GLFW_KEY_KP_0;
case KEY_KP1: return GLFW_KEY_KP_1;
case KEY_KP2: return GLFW_KEY_KP_2;
case KEY_KP3: return GLFW_KEY_KP_3;
case KEY_KP4: return GLFW_KEY_KP_4;
case KEY_KP5: return GLFW_KEY_KP_5;
case KEY_KP6: return GLFW_KEY_KP_6;
case KEY_KP7: return GLFW_KEY_KP_7;
case KEY_KP8: return GLFW_KEY_KP_8;
case KEY_KP9: return GLFW_KEY_KP_9;
case KEY_KPCOMMA: return GLFW_KEY_KP_DECIMAL;
case KEY_KPEQUAL: return GLFW_KEY_KP_EQUAL;
case KEY_KPENTER: return GLFW_KEY_KP_ENTER;
default: return GLFW_KEY_UNKNOWN;
}
}
static void handleKeyEvent(const MirKeyEvent key, _GLFWwindow* window)
{
const int pressed = key.action == mir_key_action_up ? GLFW_RELEASE : GLFW_PRESS;
const int mods = mirModToGLFWMod(key.modifiers);
const long text = _glfwKeySym2Unicode(key.key_code);
const int plain = !(mods & (GLFW_MOD_CONTROL | GLFW_MOD_ALT));
_glfwInputKey(window, toGLFWKeyCode(key.scan_code), key.scan_code, pressed, mods);
if (text != -1)
_glfwInputChar(window, text, mods, plain);
}
static void handleMouseButton(_GLFWwindow* window,
int pressed, int mods, MirMotionButton button)
{
static int lastButton;
int publicButton;
const int publicMods = mirModToGLFWMod(mods);
switch (button)
{
case mir_motion_button_primary:
publicButton = GLFW_MOUSE_BUTTON_LEFT;
break;
case mir_motion_button_secondary:
publicButton = GLFW_MOUSE_BUTTON_RIGHT;
break;
case mir_motion_button_tertiary:
publicButton = GLFW_MOUSE_BUTTON_MIDDLE;
break;
case mir_motion_button_forward:
// FIXME What is the forward button?
publicButton = GLFW_MOUSE_BUTTON_4;
break;
case mir_motion_button_back:
// FIXME What is the back button?
publicButton = GLFW_MOUSE_BUTTON_5;
break;
default:
publicButton = lastButton;
break;
}
lastButton = publicButton;
_glfwInputMouseClick(window, publicButton, pressed, publicMods);
}
static void handleMouseMotion(_GLFWwindow* window, int x, int y)
{
_glfwInputCursorMotion(window, x, y);
}
static void handleMouseScroll(_GLFWwindow* window, int dx, int dy)
{
_glfwInputScroll(window, dx, dy);
}
static void handleMouseEvent(const MirMotionEvent motion,
int cord_index,
_GLFWwindow* window)
{
switch (motion.action)
{
case mir_motion_action_down:
case mir_motion_action_pointer_down:
handleMouseButton(window, GLFW_PRESS,
motion.modifiers, motion.button_state);
break;
case mir_motion_action_up:
case mir_motion_action_pointer_up:
handleMouseButton(window, GLFW_RELEASE,
motion.modifiers, motion.button_state);
break;
case mir_motion_action_hover_move:
case mir_motion_action_move:
handleMouseMotion(window,
motion.pointer_coordinates[cord_index].x,
motion.pointer_coordinates[cord_index].y);
break;
case mir_motion_action_outside:
break;
case mir_motion_action_scroll:
handleMouseScroll(window,
motion.pointer_coordinates[cord_index].hscroll,
motion.pointer_coordinates[cord_index].vscroll);
break;
case mir_motion_action_cancel:
case mir_motion_action_hover_enter:
case mir_motion_action_hover_exit:
break;
default:
break;
}
}
static void handleMotionEvent(const MirMotionEvent motion, _GLFWwindow* window)
{
int i;
for (i = 0; i < motion.pointer_count; i++)
handleMouseEvent(motion, i, window);
}
static void handleInput(MirEvent const* event, _GLFWwindow* window)
{
switch (event->type)
{
case mir_event_type_key:
handleKeyEvent(event->key, window);
break;
case mir_event_type_motion:
handleMotionEvent(event->motion, window);
break;
default:
break;
}
}
static void addNewEvent(MirSurface* surface, MirEvent const* event, void* context)
{
enqueueEvent(event, context);
}
static int createSurface(_GLFWwindow* window)
{
MirSurfaceParameters params =
{
.name = "MirSurface",
.width = window->mir.width,
.height = window->mir.height,
.pixel_format = mir_pixel_format_invalid,
.buffer_usage = mir_buffer_usage_hardware,
.output_id = mir_display_output_id_invalid
};
MirEventDelegate delegate =
{
addNewEvent,
window
};
params.pixel_format = findValidPixelFormat();
if (params.pixel_format == mir_pixel_format_invalid)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Mir: Unable to find a correct pixel format");
return GL_FALSE;
}
window->mir.surface =
mir_connection_create_surface_sync(_glfw.mir.connection, ¶ms);
if (!mir_surface_is_valid(window->mir.surface))
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Mir: Unable to create surface: %s",
mir_surface_get_error_message(window->mir.surface));
return GL_FALSE;
}
mir_surface_set_event_handler(window->mir.surface, &delegate);
return GL_TRUE;
}
//////////////////////////////////////////////////////////////////////////
////// GLFW internal API //////
//////////////////////////////////////////////////////////////////////////
void _glfwInitEventQueue(EventQueue* queue)
{
TAILQ_INIT(&queue->head);
}
void _glfwDeleteEventQueue(EventQueue* queue)
{
if (queue)
{
EventNode* node, *node_next;
node = queue->head.tqh_first;
while (node != NULL)
{
node_next = node->entries.tqe_next;
TAILQ_REMOVE(&queue->head, node, entries);
deleteNode(queue, node);
node = node_next;
}
free(queue);
}
}
//////////////////////////////////////////////////////////////////////////
////// GLFW platform API //////
//////////////////////////////////////////////////////////////////////////
int _glfwPlatformCreateWindow(_GLFWwindow* window,
const _GLFWwndconfig* wndconfig,
const _GLFWctxconfig* ctxconfig,
const _GLFWfbconfig* fbconfig)
{
if (!_glfwCreateContext(window, ctxconfig, fbconfig))
return GL_FALSE;
if (wndconfig->monitor)
{
GLFWvidmode mode;
_glfwPlatformGetVideoMode(wndconfig->monitor, &mode);
mir_surface_set_state(window->mir.surface, mir_surface_state_fullscreen);
if (wndconfig->width > mode.width || wndconfig->height > mode.height)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Mir: Requested surface size is to large (%i %i)",
wndconfig->width, wndconfig->height);
return GL_FALSE;
}
}
window->mir.width = wndconfig->width;
window->mir.height = wndconfig->height;
if (!createSurface(window))
return GL_FALSE;
window->mir.window = mir_surface_get_egl_native_window(window->mir.surface);
return GL_TRUE;
}
void _glfwPlatformDestroyWindow(_GLFWwindow* window)
{
if (mir_surface_is_valid(window->mir.surface))
{
mir_surface_release_sync(window->mir.surface);
window->mir.surface = NULL;
}
_glfwDestroyContext(window);
}
void _glfwPlatformSetWindowTitle(_GLFWwindow* window, const char* title)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Mir: Unsupported function %s!", __PRETTY_FUNCTION__);
}
void _glfwPlatformSetWindowPos(_GLFWwindow* window, int xpos, int ypos)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Mir: Unsupported function %s!", __PRETTY_FUNCTION__);
}
void _glfwPlatformGetWindowFrameSize(_GLFWwindow* window,
int* left, int* top,
int* right, int* bottom)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Mir: Unsupported function %s!", __PRETTY_FUNCTION__);
}
void _glfwPlatformGetWindowPos(_GLFWwindow* window, int* xpos, int* ypos)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Mir: Unsupported function %s!", __PRETTY_FUNCTION__);
}
void _glfwPlatformSetWindowSize(_GLFWwindow* window, int width, int height)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Mir: Unsupported function %s!", __PRETTY_FUNCTION__);
}
void _glfwPlatformGetWindowSize(_GLFWwindow* window, int* width, int* height)
{
if (width)
*width = window->mir.width;
if (height)
*height = window->mir.height;
}
void _glfwPlatformIconifyWindow(_GLFWwindow* window)
{
mir_surface_set_state(window->mir.surface, mir_surface_state_minimized);
}
void _glfwPlatformRestoreWindow(_GLFWwindow* window)
{
mir_surface_set_state(window->mir.surface, mir_surface_state_restored);
}
void _glfwPlatformHideWindow(_GLFWwindow* window)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Mir: Unsupported function %s!", __PRETTY_FUNCTION__);
}
void _glfwPlatformShowWindow(_GLFWwindow* window)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Mir: Unsupported function %s!", __PRETTY_FUNCTION__);
}
void _glfwPlatformUnhideWindow(_GLFWwindow* window)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Mir: Unsupported function %s!", __PRETTY_FUNCTION__);
}
int _glfwPlatformWindowFocused(_GLFWwindow* window)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Mir: Unsupported function %s!", __PRETTY_FUNCTION__);
return GL_FALSE;
}
int _glfwPlatformWindowIconified(_GLFWwindow* window)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Mir: Unsupported function %s!", __PRETTY_FUNCTION__);
return GL_FALSE;
}
int _glfwPlatformWindowVisible(_GLFWwindow* window)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Mir: Unsupported function %s!", __PRETTY_FUNCTION__);
return GL_FALSE;
}
void _glfwPlatformPollEvents(void)
{
EventNode* node = NULL;
while ((node = dequeueEvent(_glfw.mir.event_queue)))
{
handleInput(node->event, node->window);
deleteNode(_glfw.mir.event_queue, node);
}
}
void _glfwPlatformWaitEvents(void)
{
pthread_mutex_lock(&_glfw.mir.event_mutex);
if (emptyEventQueue(_glfw.mir.event_queue))
pthread_cond_wait(&_glfw.mir.event_cond, &_glfw.mir.event_mutex);
pthread_mutex_unlock(&_glfw.mir.event_mutex);
_glfwPlatformPollEvents();
}
void _glfwPlatformPostEmptyEvent(void)
{
}
void _glfwPlatformGetFramebufferSize(_GLFWwindow* window, int* width, int* height)
{
if (width)
*width = window->mir.width;
if (height)
*height = window->mir.height;
}
int _glfwPlatformCreateCursor(_GLFWcursor* cursor,
const GLFWimage* image,
int xhot, int yhot)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Mir: Unsupported function %s!", __PRETTY_FUNCTION__);
return GL_FALSE;
}
int _glfwPlatformCreateStandardCursor(_GLFWcursor* cursor, int shape)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Mir: Unsupported function %s!", __PRETTY_FUNCTION__);
return GL_FALSE;
}
void _glfwPlatformDestroyCursor(_GLFWcursor* cursor)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Mir: Unsupported function %s!", __PRETTY_FUNCTION__);
}
void _glfwPlatformSetCursor(_GLFWwindow* window, _GLFWcursor* cursor)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Mir: Unsupported function %s!", __PRETTY_FUNCTION__);
}
void _glfwPlatformGetCursorPos(_GLFWwindow* window, double* xpos, double* ypos)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Mir: Unsupported function %s!", __PRETTY_FUNCTION__);
}
void _glfwPlatformSetCursorPos(_GLFWwindow* window, double xpos, double ypos)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Mir: Unsupported function %s!", __PRETTY_FUNCTION__);
}
void _glfwPlatformApplyCursorMode(_GLFWwindow* window)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Mir: Unsupported function %s!", __PRETTY_FUNCTION__);
}
void _glfwPlatformSetClipboardString(_GLFWwindow* window, const char* string)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Mir: Unsupported function %s!", __PRETTY_FUNCTION__);
}
const char* _glfwPlatformGetClipboardString(_GLFWwindow* window)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Mir: Unsupported function %s!", __PRETTY_FUNCTION__);
return NULL;
}