diff options
Diffstat (limited to '3rdparty/SDL2/src/video/mir/SDL_mirevents.c')
-rw-r--r-- | 3rdparty/SDL2/src/video/mir/SDL_mirevents.c | 313 |
1 files changed, 0 insertions, 313 deletions
diff --git a/3rdparty/SDL2/src/video/mir/SDL_mirevents.c b/3rdparty/SDL2/src/video/mir/SDL_mirevents.c deleted file mode 100644 index e36986835d1..00000000000 --- a/3rdparty/SDL2/src/video/mir/SDL_mirevents.c +++ /dev/null @@ -1,313 +0,0 @@ -/* - 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_events_c.h" -#include "../../events/SDL_keyboard_c.h" -#include "../../events/SDL_touch_c.h" -#include "../../events/scancodes_xfree86.h" - -#include "SDL_mirevents.h" -#include "SDL_mirwindow.h" - -#include <xkbcommon/xkbcommon.h> - -#include "SDL_mirdyn.h" - -static void -HandleKeyText(int32_t key_code) -{ - char text[8]; - int size = 0; - - size = MIR_xkb_keysym_to_utf8(key_code, text, sizeof text); - - if (size > 0) { - text[size] = '\0'; - SDL_SendKeyboardText(text); - } -} - -/* FIXME - Mir still needs to implement its IM API, for now we assume - a single key press produces a character. -*/ -static void -HandleKeyEvent(MirKeyboardEvent const* key_event, SDL_Window* window) -{ - xkb_keysym_t key_code; - Uint8 key_state; - int event_scancode; - uint32_t sdl_scancode = SDL_SCANCODE_UNKNOWN; - - MirKeyboardAction action = MIR_mir_keyboard_event_action(key_event); - - key_state = SDL_PRESSED; - key_code = MIR_mir_keyboard_event_key_code(key_event); - event_scancode = MIR_mir_keyboard_event_scan_code(key_event); - - if (action == mir_keyboard_action_up) - key_state = SDL_RELEASED; - - if (event_scancode < SDL_arraysize(xfree86_scancode_table2)) - sdl_scancode = xfree86_scancode_table2[event_scancode]; - - if (sdl_scancode != SDL_SCANCODE_UNKNOWN) - SDL_SendKeyboardKey(key_state, sdl_scancode); - - if (key_state == SDL_PRESSED) - HandleKeyText(key_code); -} - -static void -HandleMouseButton(SDL_Window* sdl_window, Uint8 state, MirPointerEvent const* pointer) -{ - uint32_t sdl_button = SDL_BUTTON_LEFT; - MirPointerButton button_state = mir_pointer_button_primary; - - static uint32_t old_button_states = 0; - uint32_t new_button_states = MIR_mir_pointer_event_buttons(pointer); - - // XOR on our old button states vs our new states to get the newley pressed/released button - button_state = new_button_states ^ old_button_states; - - switch (button_state) { - case mir_pointer_button_primary: - sdl_button = SDL_BUTTON_LEFT; - break; - case mir_pointer_button_secondary: - sdl_button = SDL_BUTTON_RIGHT; - break; - case mir_pointer_button_tertiary: - sdl_button = SDL_BUTTON_MIDDLE; - break; - case mir_pointer_button_forward: - sdl_button = SDL_BUTTON_X1; - break; - case mir_pointer_button_back: - sdl_button = SDL_BUTTON_X2; - break; - default: - break; - } - - old_button_states = new_button_states; - - SDL_SendMouseButton(sdl_window, 0, state, sdl_button); -} - -static void -HandleMouseMotion(SDL_Window* sdl_window, int x, int y) -{ - SDL_Mouse* mouse = SDL_GetMouse(); - SDL_SendMouseMotion(sdl_window, 0, mouse->relative_mode, x, y); -} - -static void -HandleTouchPress(int device_id, int source_id, SDL_bool down, float x, float y, float pressure) -{ - SDL_SendTouch(device_id, source_id, down, x, y, pressure); -} - -static void -HandleTouchMotion(int device_id, int source_id, float x, float y, float pressure) -{ - SDL_SendTouchMotion(device_id, source_id, x, y, pressure); -} - -static void -HandleMouseScroll(SDL_Window* sdl_window, int hscroll, int vscroll) -{ - SDL_SendMouseWheel(sdl_window, 0, hscroll, vscroll, SDL_MOUSEWHEEL_NORMAL); -} - -static void -AddTouchDevice(int device_id) -{ - if (SDL_AddTouch(device_id, "") < 0) - SDL_SetError("Error: can't add touch %s, %d", __FILE__, __LINE__); -} - -static void -HandleTouchEvent(MirTouchEvent const* touch, int device_id, SDL_Window* sdl_window) -{ - int i, point_count; - point_count = MIR_mir_touch_event_point_count(touch); - - AddTouchDevice(device_id); - - for (i = 0; i < point_count; i++) { - int id = MIR_mir_touch_event_id(touch, i); - - int width = sdl_window->w; - int height = sdl_window->h; - - float x = MIR_mir_touch_event_axis_value(touch, i, mir_touch_axis_x); - float y = MIR_mir_touch_event_axis_value(touch, i, mir_touch_axis_y); - - float n_x = x / width; - float n_y = y / height; - - float pressure = MIR_mir_touch_event_axis_value(touch, i, mir_touch_axis_pressure); - - switch (MIR_mir_touch_event_action(touch, i)) { - case mir_touch_action_up: - HandleTouchPress(device_id, id, SDL_FALSE, n_x, n_y, pressure); - break; - case mir_touch_action_down: - HandleTouchPress(device_id, id, SDL_TRUE, n_x, n_y, pressure); - break; - case mir_touch_action_change: - HandleTouchMotion(device_id, id, n_x, n_y, pressure); - break; - case mir_touch_actions: - break; - } - } -} - -static void -HandleMouseEvent(MirPointerEvent const* pointer, SDL_Window* sdl_window) -{ - SDL_SetMouseFocus(sdl_window); - - switch (MIR_mir_pointer_event_action(pointer)) { - case mir_pointer_action_button_down: - HandleMouseButton(sdl_window, SDL_PRESSED, pointer); - break; - case mir_pointer_action_button_up: - HandleMouseButton(sdl_window, SDL_RELEASED, pointer); - break; - case mir_pointer_action_motion: { - int x, y; - int hscroll, vscroll; - SDL_Mouse* mouse = SDL_GetMouse(); - x = MIR_mir_pointer_event_axis_value(pointer, mir_pointer_axis_x); - y = MIR_mir_pointer_event_axis_value(pointer, mir_pointer_axis_y); - - if (mouse) { - if (mouse->relative_mode) { - int relative_x = MIR_mir_pointer_event_axis_value(pointer, mir_pointer_axis_relative_x); - int relative_y = MIR_mir_pointer_event_axis_value(pointer, mir_pointer_axis_relative_y); - HandleMouseMotion(sdl_window, relative_x, relative_y); - } - else if (mouse->x != x || mouse->y != y) { - HandleMouseMotion(sdl_window, x, y); - } - } - - hscroll = MIR_mir_pointer_event_axis_value(pointer, mir_pointer_axis_hscroll); - vscroll = MIR_mir_pointer_event_axis_value(pointer, mir_pointer_axis_vscroll); - if (vscroll != 0 || hscroll != 0) - HandleMouseScroll(sdl_window, hscroll, vscroll); - } - break; - case mir_pointer_action_leave: - SDL_SetMouseFocus(NULL); - break; - case mir_pointer_action_enter: - default: - break; - } -} - -static void -MIR_HandleInput(MirInputEvent const* input_event, SDL_Window* window) -{ - switch (MIR_mir_input_event_get_type(input_event)) { - case (mir_input_event_type_key): - HandleKeyEvent(MIR_mir_input_event_get_keyboard_event(input_event), window); - break; - case (mir_input_event_type_pointer): - HandleMouseEvent(MIR_mir_input_event_get_pointer_event(input_event), window); - break; - case (mir_input_event_type_touch): - HandleTouchEvent(MIR_mir_input_event_get_touch_event(input_event), - MIR_mir_input_event_get_device_id(input_event), - window); - break; - default: - break; - } -} - -static void -MIR_HandleResize(MirResizeEvent const* resize_event, SDL_Window* window) -{ - int new_w = MIR_mir_resize_event_get_width (resize_event); - int new_h = MIR_mir_resize_event_get_height(resize_event); - - int old_w = window->w; - int old_h = window->h; - - if (new_w != old_w || new_h != old_h) - SDL_SendWindowEvent(window, SDL_WINDOWEVENT_RESIZED, new_w, new_h); -} - -static void -MIR_HandleSurface(MirSurfaceEvent const* surface_event, SDL_Window* window) -{ - MirSurfaceAttrib attrib = MIR_mir_surface_event_get_attribute(surface_event); - int value = MIR_mir_surface_event_get_attribute_value(surface_event); - - if (attrib == mir_surface_attrib_focus) { - if (value == mir_surface_focused) { - SDL_SetKeyboardFocus(window); - } - else if (value == mir_surface_unfocused) { - SDL_SetKeyboardFocus(NULL); - } - } -} - -void -MIR_HandleEvent(MirSurface* surface, MirEvent const* ev, void* context) -{ - MirEventType event_type = MIR_mir_event_get_type(ev); - SDL_Window* window = (SDL_Window*)context; - - if (window) { - switch (event_type) { - case (mir_event_type_input): - MIR_HandleInput(MIR_mir_event_get_input_event(ev), window); - break; - case (mir_event_type_resize): - MIR_HandleResize(MIR_mir_event_get_resize_event(ev), window); - break; - case (mir_event_type_surface): - MIR_HandleSurface(MIR_mir_event_get_surface_event(ev), window); - break; - default: - break; - } - } -} - -#endif /* SDL_VIDEO_DRIVER_MIR */ - -/* vi: set ts=4 sw=4 expandtab: */ |