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FreeRDP/client/DirectFB/df_event.c

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/**
* FreeRDP: A Remote Desktop Protocol Implementation
* DirectFB Event Handling
*
* Copyright 2011 Marc-Andre Moreau <marcandre.moreau@gmail.com>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <winpr/crt.h>
#include <winpr/input.h>
#include <freerdp/locale/keyboard.h>
#include "df_event.h"
static BYTE keymap[256];
static BYTE functionmap[128];
void df_keyboard_init()
{
ZeroMemory(keymap, sizeof(keymap));
/* Map DirectFB keycodes to Virtual Key Codes */
keymap[DIKI_A - DIKI_UNKNOWN] = VK_KEY_A;
keymap[DIKI_B - DIKI_UNKNOWN] = VK_KEY_B;
keymap[DIKI_C - DIKI_UNKNOWN] = VK_KEY_C;
keymap[DIKI_D - DIKI_UNKNOWN] = VK_KEY_D;
keymap[DIKI_E - DIKI_UNKNOWN] = VK_KEY_E;
keymap[DIKI_F - DIKI_UNKNOWN] = VK_KEY_F;
keymap[DIKI_G - DIKI_UNKNOWN] = VK_KEY_G;
keymap[DIKI_H - DIKI_UNKNOWN] = VK_KEY_H;
keymap[DIKI_I - DIKI_UNKNOWN] = VK_KEY_I;
keymap[DIKI_J - DIKI_UNKNOWN] = VK_KEY_J;
keymap[DIKI_K - DIKI_UNKNOWN] = VK_KEY_K;
keymap[DIKI_L - DIKI_UNKNOWN] = VK_KEY_L;
keymap[DIKI_M - DIKI_UNKNOWN] = VK_KEY_M;
keymap[DIKI_N - DIKI_UNKNOWN] = VK_KEY_N;
keymap[DIKI_O - DIKI_UNKNOWN] = VK_KEY_O;
keymap[DIKI_P - DIKI_UNKNOWN] = VK_KEY_P;
keymap[DIKI_Q - DIKI_UNKNOWN] = VK_KEY_Q;
keymap[DIKI_R - DIKI_UNKNOWN] = VK_KEY_R;
keymap[DIKI_S - DIKI_UNKNOWN] = VK_KEY_S;
keymap[DIKI_T - DIKI_UNKNOWN] = VK_KEY_T;
keymap[DIKI_U - DIKI_UNKNOWN] = VK_KEY_U;
keymap[DIKI_V - DIKI_UNKNOWN] = VK_KEY_V;
keymap[DIKI_W - DIKI_UNKNOWN] = VK_KEY_W;
keymap[DIKI_X - DIKI_UNKNOWN] = VK_KEY_X;
keymap[DIKI_Y - DIKI_UNKNOWN] = VK_KEY_Y;
keymap[DIKI_Z - DIKI_UNKNOWN] = VK_KEY_Z;
keymap[DIKI_0 - DIKI_UNKNOWN] = VK_KEY_0;
keymap[DIKI_1 - DIKI_UNKNOWN] = VK_KEY_1;
keymap[DIKI_2 - DIKI_UNKNOWN] = VK_KEY_2;
keymap[DIKI_3 - DIKI_UNKNOWN] = VK_KEY_3;
keymap[DIKI_4 - DIKI_UNKNOWN] = VK_KEY_4;
keymap[DIKI_5 - DIKI_UNKNOWN] = VK_KEY_5;
keymap[DIKI_6 - DIKI_UNKNOWN] = VK_KEY_6;
keymap[DIKI_7 - DIKI_UNKNOWN] = VK_KEY_7;
keymap[DIKI_8 - DIKI_UNKNOWN] = VK_KEY_8;
keymap[DIKI_9 - DIKI_UNKNOWN] = VK_KEY_9;
keymap[DIKI_F1 - DIKI_UNKNOWN] = VK_F1;
keymap[DIKI_F2 - DIKI_UNKNOWN] = VK_F2;
keymap[DIKI_F3 - DIKI_UNKNOWN] = VK_F3;
keymap[DIKI_F4 - DIKI_UNKNOWN] = VK_F4;
keymap[DIKI_F5 - DIKI_UNKNOWN] = VK_F5;
keymap[DIKI_F6 - DIKI_UNKNOWN] = VK_F6;
keymap[DIKI_F7 - DIKI_UNKNOWN] = VK_F7;
keymap[DIKI_F8 - DIKI_UNKNOWN] = VK_F8;
keymap[DIKI_F9 - DIKI_UNKNOWN] = VK_F9;
keymap[DIKI_F10 - DIKI_UNKNOWN] = VK_F10;
keymap[DIKI_F11 - DIKI_UNKNOWN] = VK_F11;
keymap[DIKI_F12 - DIKI_UNKNOWN] = VK_F12;
keymap[DIKI_COMMA - DIKI_UNKNOWN] = VK_OEM_COMMA;
keymap[DIKI_PERIOD - DIKI_UNKNOWN] = VK_OEM_PERIOD;
keymap[DIKI_MINUS_SIGN - DIKI_UNKNOWN] = VK_OEM_MINUS;
keymap[DIKI_EQUALS_SIGN - DIKI_UNKNOWN] = VK_OEM_PLUS;
keymap[DIKI_ESCAPE - DIKI_UNKNOWN] = VK_ESCAPE;
keymap[DIKI_LEFT - DIKI_UNKNOWN] = VK_LEFT;
keymap[DIKI_RIGHT - DIKI_UNKNOWN] = VK_RIGHT;
keymap[DIKI_UP - DIKI_UNKNOWN] = VK_UP;
keymap[DIKI_DOWN - DIKI_UNKNOWN] = VK_DOWN;
keymap[DIKI_CONTROL_L - DIKI_UNKNOWN] = VK_LCONTROL;
keymap[DIKI_CONTROL_R - DIKI_UNKNOWN] = VK_RCONTROL;
keymap[DIKI_SHIFT_L - DIKI_UNKNOWN] = VK_LSHIFT;
keymap[DIKI_SHIFT_R - DIKI_UNKNOWN] = VK_RSHIFT;
keymap[DIKI_ALT_L - DIKI_UNKNOWN] = VK_LMENU;
keymap[DIKI_ALT_R - DIKI_UNKNOWN] = VK_RMENU;
keymap[DIKI_TAB - DIKI_UNKNOWN] = VK_TAB;
keymap[DIKI_ENTER - DIKI_UNKNOWN] = VK_RETURN;
keymap[DIKI_SPACE - DIKI_UNKNOWN] = VK_SPACE;
keymap[DIKI_BACKSPACE - DIKI_UNKNOWN] = VK_BACK;
keymap[DIKI_INSERT - DIKI_UNKNOWN] = VK_INSERT;
keymap[DIKI_DELETE - DIKI_UNKNOWN] = VK_DELETE;
keymap[DIKI_HOME - DIKI_UNKNOWN] = VK_HOME;
keymap[DIKI_END - DIKI_UNKNOWN] = VK_END;
keymap[DIKI_PAGE_UP - DIKI_UNKNOWN] = VK_PRIOR;
keymap[DIKI_PAGE_DOWN - DIKI_UNKNOWN] = VK_NEXT;
keymap[DIKI_CAPS_LOCK - DIKI_UNKNOWN] = VK_CAPITAL;
keymap[DIKI_NUM_LOCK - DIKI_UNKNOWN] = VK_NUMLOCK;
keymap[DIKI_SCROLL_LOCK - DIKI_UNKNOWN] = VK_SCROLL;
keymap[DIKI_PRINT - DIKI_UNKNOWN] = VK_PRINT;
keymap[DIKI_PAUSE - DIKI_UNKNOWN] = VK_PAUSE;
keymap[DIKI_KP_DIV - DIKI_UNKNOWN] = VK_DIVIDE;
keymap[DIKI_KP_MULT - DIKI_UNKNOWN] = VK_MULTIPLY;
keymap[DIKI_KP_MINUS - DIKI_UNKNOWN] = VK_SUBTRACT;
keymap[DIKI_KP_PLUS - DIKI_UNKNOWN] = VK_ADD;
keymap[DIKI_KP_ENTER - DIKI_UNKNOWN] = VK_RETURN;
keymap[DIKI_KP_DECIMAL - DIKI_UNKNOWN] = VK_DECIMAL;
keymap[DIKI_QUOTE_LEFT - DIKI_UNKNOWN] = VK_OEM_3;
keymap[DIKI_BRACKET_LEFT - DIKI_UNKNOWN] = VK_OEM_4;
keymap[DIKI_BRACKET_RIGHT - DIKI_UNKNOWN] = VK_OEM_6;
keymap[DIKI_BACKSLASH - DIKI_UNKNOWN] = VK_OEM_5;
keymap[DIKI_SEMICOLON - DIKI_UNKNOWN] = VK_OEM_1;
keymap[DIKI_QUOTE_RIGHT - DIKI_UNKNOWN] = VK_OEM_7;
keymap[DIKI_COMMA - DIKI_UNKNOWN] = VK_OEM_COMMA;
keymap[DIKI_PERIOD - DIKI_UNKNOWN] = VK_OEM_PERIOD;
keymap[DIKI_SLASH - DIKI_UNKNOWN] = VK_OEM_2;
keymap[DIKI_LESS_SIGN - DIKI_UNKNOWN] = 0;
keymap[DIKI_KP_0 - DIKI_UNKNOWN] = VK_NUMPAD0;
keymap[DIKI_KP_1 - DIKI_UNKNOWN] = VK_NUMPAD1;
keymap[DIKI_KP_2 - DIKI_UNKNOWN] = VK_NUMPAD2;
keymap[DIKI_KP_3 - DIKI_UNKNOWN] = VK_NUMPAD3;
keymap[DIKI_KP_4 - DIKI_UNKNOWN] = VK_NUMPAD4;
keymap[DIKI_KP_5 - DIKI_UNKNOWN] = VK_NUMPAD5;
keymap[DIKI_KP_6 - DIKI_UNKNOWN] = VK_NUMPAD6;
keymap[DIKI_KP_7 - DIKI_UNKNOWN] = VK_NUMPAD7;
keymap[DIKI_KP_8 - DIKI_UNKNOWN] = VK_NUMPAD8;
keymap[DIKI_KP_9 - DIKI_UNKNOWN] = VK_NUMPAD9;
keymap[DIKI_META_L - DIKI_UNKNOWN] = VK_LWIN;
keymap[DIKI_META_R - DIKI_UNKNOWN] = VK_RWIN;
keymap[DIKI_SUPER_L - DIKI_UNKNOWN] = VK_APPS;
ZeroMemory(functionmap, sizeof(functionmap));
functionmap[DFB_FUNCTION_KEY(23) - DFB_FUNCTION_KEY(0)] = VK_HANGUL;
functionmap[DFB_FUNCTION_KEY(24) - DFB_FUNCTION_KEY(0)] = VK_HANJA;
}
void df_send_mouse_button_event(rdpInput* input, BOOL down, UINT32 button, UINT16 x, UINT16 y)
{
UINT16 flags;
flags = (down) ? PTR_FLAGS_DOWN : 0;
if (button == DIBI_LEFT)
flags |= PTR_FLAGS_BUTTON1;
else if (button == DIBI_RIGHT)
flags |= PTR_FLAGS_BUTTON2;
else if (button == DIBI_MIDDLE)
flags |= PTR_FLAGS_BUTTON3;
if (flags != 0)
input->MouseEvent(input, flags, x, y);
}
void df_send_mouse_motion_event(rdpInput* input, UINT16 x, UINT16 y)
{
input->MouseEvent(input, PTR_FLAGS_MOVE, x, y);
}
void df_send_mouse_wheel_event(rdpInput* input, INT16 axisrel, UINT16 x, UINT16 y)
{
UINT16 flags = PTR_FLAGS_WHEEL;
if (axisrel < 0)
flags |= 0x0078;
else
flags |= PTR_FLAGS_WHEEL_NEGATIVE | 0x0088;
input->MouseEvent(input, flags, x, y);
}
void df_send_keyboard_event(rdpInput* input, BOOL down, BYTE keycode, BYTE function)
{
DWORD scancode = 0;
BYTE vkcode = VK_NONE;
if (keycode)
vkcode = keymap[keycode];
else if (function)
vkcode = functionmap[function];
if (vkcode != VK_NONE)
scancode = GetVirtualScanCodeFromVirtualKeyCode(vkcode, input->context->settings->KeyboardType);
if (scancode)
freerdp_input_send_keyboard_event_ex(input, down, scancode);
}
BOOL df_event_process(freerdp* instance, DFBEvent* event)
{
int flags;
rdpGdi* gdi;
dfInfo* dfi;
int pointer_x;
int pointer_y;
DFBInputEvent* input_event;
gdi = instance->context->gdi;
dfi = ((dfContext*) instance->context)->dfi;
dfi->layer->GetCursorPosition(dfi->layer, &pointer_x, &pointer_y);
if (event->clazz == DFEC_INPUT)
{
flags = 0;
input_event = (DFBInputEvent*) event;
switch (input_event->type)
{
case DIET_AXISMOTION:
if (pointer_x > (gdi->width - 1))
pointer_x = gdi->width - 1;
if (pointer_y > (gdi->height - 1))
pointer_y = gdi->height - 1;
if (input_event->axis == DIAI_Z)
{
df_send_mouse_wheel_event(instance->input, input_event->axisrel, pointer_x, pointer_y);
}
else
{
df_send_mouse_motion_event(instance->input, pointer_x, pointer_y);
}
break;
case DIET_BUTTONPRESS:
df_send_mouse_button_event(instance->input, TRUE, input_event->button, pointer_x, pointer_y);
break;
case DIET_BUTTONRELEASE:
df_send_mouse_button_event(instance->input, FALSE, input_event->button, pointer_x, pointer_y);
break;
case DIET_KEYPRESS:
df_send_keyboard_event(instance->input, TRUE, input_event->key_id - DIKI_UNKNOWN, input_event->key_symbol - DFB_FUNCTION_KEY(0));
break;
case DIET_KEYRELEASE:
df_send_keyboard_event(instance->input, FALSE, input_event->key_id - DIKI_UNKNOWN, input_event->key_symbol - DFB_FUNCTION_KEY(0));
break;
case DIET_UNKNOWN:
break;
}
}
return TRUE;
}
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