| /* |
| Simple DirectMedia Layer |
| Copyright (C) 1997-2014 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); |
| } |
| } |
| |
| static void |
| CheckKeyboardFocus(SDL_Window* sdl_window) |
| { |
| SDL_Window* keyboard_window = SDL_GetKeyboardFocus(); |
| |
| if (keyboard_window != sdl_window) |
| SDL_SetKeyboardFocus(sdl_window); |
| } |
| |
| |
| /* FIXME |
| Mir still needs to implement its IM API, for now we assume |
| a single key press produces a character. |
| */ |
| static void |
| HandleKeyEvent(MirKeyEvent const ev, SDL_Window* window) |
| { |
| uint32_t scancode = SDL_SCANCODE_UNKNOWN; |
| Uint8 key_state = ev.action == mir_key_action_up ? SDL_RELEASED : SDL_PRESSED; |
| |
| CheckKeyboardFocus(window); |
| |
| if (ev.scan_code < SDL_arraysize(xfree86_scancode_table2)) |
| scancode = xfree86_scancode_table2[ev.scan_code]; |
| |
| if (scancode != SDL_SCANCODE_UNKNOWN) |
| SDL_SendKeyboardKey(key_state, scancode); |
| |
| if (key_state == SDL_PRESSED) |
| HandleKeyText(ev.key_code); |
| } |
| |
| static void |
| HandleMouseButton(SDL_Window* sdl_window, Uint8 state, MirMotionButton button_state) |
| { |
| static uint32_t last_sdl_button; |
| uint32_t sdl_button; |
| |
| switch (button_state) { |
| case mir_motion_button_primary: |
| sdl_button = SDL_BUTTON_LEFT; |
| break; |
| case mir_motion_button_secondary: |
| sdl_button = SDL_BUTTON_RIGHT; |
| break; |
| case mir_motion_button_tertiary: |
| sdl_button = SDL_BUTTON_MIDDLE; |
| break; |
| case mir_motion_button_forward: |
| sdl_button = SDL_BUTTON_X1; |
| break; |
| case mir_motion_button_back: |
| sdl_button = SDL_BUTTON_X2; |
| break; |
| default: |
| sdl_button = last_sdl_button; |
| break; |
| } |
| |
| last_sdl_button = sdl_button; |
| SDL_SendMouseButton(sdl_window, 0, state, sdl_button); |
| } |
| |
| 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 |
| HandleMouseMotion(SDL_Window* sdl_window, int x, int y) |
| { |
| SDL_SendMouseMotion(sdl_window, 0, 0, x, y); |
| } |
| |
| static void |
| HandleMouseScroll(SDL_Window* sdl_window, int hscroll, int vscroll) |
| { |
| SDL_SendMouseWheel(sdl_window, 0, hscroll, vscroll); |
| } |
| |
| 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(MirMotionEvent const motion, int cord_index, SDL_Window* sdl_window) |
| { |
| int device_id = motion.device_id; |
| int id = motion.pointer_coordinates[cord_index].id; |
| |
| int width = sdl_window->w; |
| int height = sdl_window->h; |
| float x = motion.pointer_coordinates[cord_index].x; |
| float y = motion.pointer_coordinates[cord_index].y; |
| |
| float n_x = x / width; |
| float n_y = y / height; |
| float pressure = motion.pointer_coordinates[cord_index].pressure; |
| |
| AddTouchDevice(motion.device_id); |
| |
| switch (motion.action) { |
| case mir_motion_action_down: |
| case mir_motion_action_pointer_down: |
| HandleTouchPress(device_id, id, SDL_TRUE, n_x, n_y, pressure); |
| break; |
| case mir_motion_action_up: |
| case mir_motion_action_pointer_up: |
| HandleTouchPress(device_id, id, SDL_FALSE, n_x, n_y, pressure); |
| break; |
| case mir_motion_action_hover_move: |
| case mir_motion_action_move: |
| HandleTouchMotion(device_id, id, n_x, n_y, pressure); |
| break; |
| default: |
| break; |
| } |
| } |
| |
| static void |
| HandleMouseEvent(MirMotionEvent const motion, int cord_index, SDL_Window* sdl_window) |
| { |
| SDL_SetMouseFocus(sdl_window); |
| |
| switch (motion.action) { |
| case mir_motion_action_down: |
| case mir_motion_action_pointer_down: |
| HandleMouseButton(sdl_window, SDL_PRESSED, motion.button_state); |
| break; |
| case mir_motion_action_up: |
| case mir_motion_action_pointer_up: |
| HandleMouseButton(sdl_window, SDL_RELEASED, motion.button_state); |
| break; |
| case mir_motion_action_hover_move: |
| case mir_motion_action_move: |
| HandleMouseMotion(sdl_window, |
| motion.pointer_coordinates[cord_index].x, |
| motion.pointer_coordinates[cord_index].y); |
| break; |
| case mir_motion_action_outside: |
| SDL_SetMouseFocus(NULL); |
| break; |
| #if 0 /* !!! FIXME: needs a newer set of dev headers than Ubuntu 13.10 is shipping atm. */ |
| case mir_motion_action_scroll: |
| HandleMouseScroll(sdl_window, |
| motion.pointer_coordinates[cord_index].hscroll, |
| motion.pointer_coordinates[cord_index].vscroll); |
| break; |
| #endif |
| case mir_motion_action_cancel: |
| case mir_motion_action_hover_enter: |
| case mir_motion_action_hover_exit: |
| break; |
| default: |
| break; |
| } |
| } |
| |
| static void |
| HandleMotionEvent(MirMotionEvent const motion, SDL_Window* sdl_window) |
| { |
| int cord_index; |
| for (cord_index = 0; cord_index < motion.pointer_count; cord_index++) { |
| #if 0 /* !!! FIXME: needs a newer set of dev headers than Ubuntu 13.10 is shipping atm. */ |
| if (motion.pointer_coordinates[cord_index].tool_type == mir_motion_tool_type_mouse) { |
| HandleMouseEvent(motion, cord_index, sdl_window); |
| } |
| else if (motion.pointer_coordinates[cord_index].tool_type == mir_motion_tool_type_finger) { |
| HandleTouchEvent(motion, cord_index, sdl_window); |
| } |
| #else |
| HandleMouseEvent(motion, cord_index, sdl_window); |
| #endif |
| } |
| } |
| |
| void |
| MIR_HandleInput(MirSurface* surface, MirEvent const* ev, void* context) |
| { |
| SDL_Window* window = (SDL_Window*)context; |
| switch (ev->type) { |
| case (mir_event_type_key): |
| HandleKeyEvent(ev->key, window); |
| break; |
| case (mir_event_type_motion): |
| HandleMotionEvent(ev->motion, window); |
| break; |
| default: |
| break; |
| } |
| } |
| |
| #endif /* SDL_VIDEO_DRIVER_MIR */ |
| |
| /* vi: set ts=4 sw=4 expandtab: */ |