src/video/android/SDL_androidvideo.c
author Sam Lantinga <slouken@libsdl.org>
Sun, 04 Nov 2012 21:53:28 -0800
changeset 6654 2ecfb25be1e2
parent 6555 f2c03c06d987
child 6656 8eb6e2e2ab97
permissions -rw-r--r--
Synchronized the on-screen keyboard state with whether we are accepting text input. The functions to show/hide/toggle the on-screen keyboard have been folded into the text input state. Calling SDL_StartTextInput() will automatically show the on-screen keyboard if it's available. Calling SDL_StopTextInput() will automatically hide the on-screen keyboard if it's available. There is a new API function SDL_IsTextInputActive() which will return whether text input is currently active. Text input is disabled by default, you must call SDL_StartTextInput() when you are ready to accept text input. SDL_HasScreenKeyboardSupport() no longer needs to be passed a window. The iPhone-specific on-screen keyboard functions have been removed.
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/*
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  Simple DirectMedia Layer
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  Copyright (C) 1997-2012 Sam Lantinga <slouken@libsdl.org>
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  This software is provided 'as-is', without any express or implied
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  warranty.  In no event will the authors be held liable for any damages
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  arising from the use of this software.
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  Permission is granted to anyone to use this software for any purpose,
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  including commercial applications, and to alter it and redistribute it
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  freely, subject to the following restrictions:
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  1. The origin of this software must not be misrepresented; you must not
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     claim that you wrote the original software. If you use this software
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     in a product, an acknowledgment in the product documentation would be
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     appreciated but is not required.
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  2. Altered source versions must be plainly marked as such, and must not be
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     misrepresented as being the original software.
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  3. This notice may not be removed or altered from any source distribution.
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*/
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#include "SDL_config.h"
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#if SDL_VIDEO_DRIVER_ANDROID
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/* Android SDL video driver implementation
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*/
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#include "SDL_video.h"
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#include "SDL_mouse.h"
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#include "../SDL_sysvideo.h"
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#include "../SDL_pixels_c.h"
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#include "../../events/SDL_events_c.h"
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#include "../../events/SDL_windowevents_c.h"
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#include "SDL_androidvideo.h"
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#include "SDL_androidclipboard.h"
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#include "SDL_androidevents.h"
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#include "SDL_androidkeyboard.h"
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#include "SDL_androidwindow.h"
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#define ANDROID_VID_DRIVER_NAME "Android"
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/* Initialization/Query functions */
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static int Android_VideoInit(_THIS);
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static void Android_VideoQuit(_THIS);
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/* GL functions (SDL_androidgl.c) */
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extern int Android_GL_LoadLibrary(_THIS, const char *path);
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extern void *Android_GL_GetProcAddress(_THIS, const char *proc);
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extern void Android_GL_UnloadLibrary(_THIS);
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//extern int *Android_GL_GetVisual(_THIS, Display * display, int screen);
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extern SDL_GLContext Android_GL_CreateContext(_THIS, SDL_Window * window);
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extern int Android_GL_MakeCurrent(_THIS, SDL_Window * window,
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                              SDL_GLContext context);
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extern int Android_GL_SetSwapInterval(_THIS, int interval);
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extern int Android_GL_GetSwapInterval(_THIS);
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extern void Android_GL_SwapWindow(_THIS, SDL_Window * window);
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extern void Android_GL_DeleteContext(_THIS, SDL_GLContext context);
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/* Android driver bootstrap functions */
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// These are filled in with real values in Android_SetScreenResolution on 
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// init (before SDL_main())
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int Android_ScreenWidth = 0;
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int Android_ScreenHeight = 0;
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Uint32 Android_ScreenFormat = SDL_PIXELFORMAT_UNKNOWN;
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SDL_sem *Android_PauseSem = NULL, *Android_ResumeSem = NULL;
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/* Currently only one window */
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SDL_Window *Android_Window = NULL;
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static int
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Android_Available(void)
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{
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    return 1;
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}
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static void
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Android_DeleteDevice(SDL_VideoDevice * device)
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{
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    SDL_free(device);
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}
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static SDL_VideoDevice *
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Android_CreateDevice(int devindex)
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{
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    printf("Creating video device\n");
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    SDL_VideoDevice *device;
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    SDL_VideoData *data;
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    /* Initialize all variables that we clean on shutdown */
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    device = (SDL_VideoDevice *) SDL_calloc(1, sizeof(SDL_VideoDevice));
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    if (!device) {
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        SDL_OutOfMemory();
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        return NULL;
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    }
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    data = (SDL_VideoData*) SDL_calloc(1, sizeof(SDL_VideoData));
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    if (!data) {
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        SDL_OutOfMemory();
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        SDL_free(device);
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        return NULL;
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    }
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    device->driverdata = data;
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    /* Set the function pointers */
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    device->VideoInit = Android_VideoInit;
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    device->VideoQuit = Android_VideoQuit;
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    device->PumpEvents = Android_PumpEvents;
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    device->CreateWindow = Android_CreateWindow;
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    device->SetWindowTitle = Android_SetWindowTitle;
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    device->DestroyWindow = Android_DestroyWindow;
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    device->free = Android_DeleteDevice;
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    /* GL pointers */
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    device->GL_LoadLibrary = Android_GL_LoadLibrary;
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    device->GL_GetProcAddress = Android_GL_GetProcAddress;
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    device->GL_UnloadLibrary = Android_GL_UnloadLibrary;
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    device->GL_CreateContext = Android_GL_CreateContext;
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    device->GL_MakeCurrent = Android_GL_MakeCurrent;
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    device->GL_SetSwapInterval = Android_GL_SetSwapInterval;
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    device->GL_GetSwapInterval = Android_GL_GetSwapInterval;
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    device->GL_SwapWindow = Android_GL_SwapWindow;
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    device->GL_DeleteContext = Android_GL_DeleteContext;
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    /* Text input */
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    device->StartTextInput = Android_StartTextInput;
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    device->StopTextInput = Android_StopTextInput;
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    device->SetTextInputRect = Android_SetTextInputRect;
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    /* Screen keyboard */
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    device->SDL_HasScreenKeyboardSupport = Android_HasScreenKeyboardSupport;
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    device->SDL_IsScreenKeyboardShown = Android_IsScreenKeyboardShown;
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    /* Clipboard */
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    device->SetClipboardText = Android_SetClipboardText;
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    device->GetClipboardText = Android_GetClipboardText;
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    device->HasClipboardText = Android_HasClipboardText;
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    return device;
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}
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VideoBootStrap Android_bootstrap = {
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    ANDROID_VID_DRIVER_NAME, "SDL Android video driver",
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    Android_Available, Android_CreateDevice
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};
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int
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Android_VideoInit(_THIS)
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{
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    SDL_DisplayMode mode;
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    mode.format = Android_ScreenFormat;
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    mode.w = Android_ScreenWidth;
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    mode.h = Android_ScreenHeight;
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    mode.refresh_rate = 0;
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    mode.driverdata = NULL;
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    if (SDL_AddBasicVideoDisplay(&mode) < 0) {
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        return -1;
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    }
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    SDL_zero(mode);
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    SDL_AddDisplayMode(&_this->displays[0], &mode);
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    Android_InitKeyboard();
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    /* We're done! */
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    return 0;
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}
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void
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Android_VideoQuit(_THIS)
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{
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}
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/* This function gets called before VideoInit() */
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void
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Android_SetScreenResolution(int width, int height, Uint32 format)
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{
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    Android_ScreenWidth = width;
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    Android_ScreenHeight = height;   
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    Android_ScreenFormat = format;
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    if (Android_Window) {
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        SDL_SendWindowEvent(Android_Window, SDL_WINDOWEVENT_RESIZED, width, height);
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    }
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}
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#endif /* SDL_VIDEO_DRIVER_ANDROID */
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/* vi: set ts=4 sw=4 expandtab: */