sdl.cpp File Reference

#include "stratagus.h"
#include "online_service.h"
#include <map>
#include <string>
#include <vector>
#include <limits.h>
#include <math.h>
#include "SDL.h"
#include "SDL_syswm.h"
#include <sys/socket.h>
#include <shellapi.h>
#include "editor.h"
#include "font.h"
#include "game.h"
#include "interface.h"
#include "minimap.h"
#include "network.h"
#include "parameters.h"
#include "sound.h"
#include "sound_server.h"
#include "translate.h"
#include "ui.h"
#include "unit.h"
#include "video.h"
#include "widgets.h"

sdl.cpp - SDL video support.
enum	PROCESS_DPI_AWARENESS { PROCESS_DPI_UNAWARE = 0, PROCESS_SYSTEM_DPI_AWARE = 1, PROCESS_PER_MONITOR_DPI_AWARE = 2 }
typedef enum PROCESS_DPI_AWARENESS	PROCESS_DPI_AWARENESS
SDL_Window *	TheWindow
	The SDL screen. More...
SDL_Renderer *	TheRenderer = NULL
	Internal screen. More...
SDL_Texture *	TheTexture
	Internal screen. More...
SDL_Surface *	TheScreen
	Internal screen. More...
static SDL_Rect	Rects [100]
	Internal screen. More...
static int	NumRects
static std::map< int, std::string >	Key2Str
static std::map< std::string, int >	Str2Key
double	FrameTicks
const EventCallback *	Callbacks
	Frame length in ms. More...
bool	IsSDLWindowVisible = true
	Flag telling if the SDL window is visible. More...
uint8_t	SizeChangeCounter = 0
	Just a counter to cache window data on in other places when the size changes. More...
static bool	dummyRenderer = false
uint32_t	SDL_CUSTOM_KEY_UP
static Uint32	LastTick = 0
static int	RefreshRate = 0
void	SetVideoSync ()
	Initializes video synchronization. More...
static void	InitKey2Str ()
static void	setDpiAware ()
void	InitVideoSdl ()
int	VideoValidResolution (int w, int h)
	Check if a resolution is valid. More...
void	InvalidateArea (int x, int y, int w, int h)
void	Invalidate ()
	Simply invalidates whole window or screen. More...
static bool	isTextInput (int key)
static void	SdlDoEvent (const EventCallback &callbacks, SDL_Event &event)
void	SetCallbacks (const EventCallback *callbacks)
	Set the current callbacks. More...
const EventCallback *	GetCallbacks ()
	Get the current callbacks. More...
void	WaitEventsOneFrame ()
	Process all system events. Returns if the time for a frame is over. More...
static void	RenderBenchmarkOverlay ()
void	RealizeVideoMemory ()
	Realize video memory. More...
void	SdlLockScreen ()
	Init SDL video hardware driver. More...
void	SdlUnlockScreen ()
	Do SDL hardware lock. More...
const char *	SdlKey2Str (int key)
	Convert a SDLKey to a string. More...
int	Str2SdlKey (const char *str)
bool	SdlGetGrabMouse ()
	Check if the mouse is grabbed. More...
void	ToggleGrabMouse (int mode)
	Toggle mouse grab mode. More...
void	ToggleFullScreen ()
	Toggle full screen mode. More...

Typedef Documentation

PROCESS_DPI_AWARENESS

typedef enum PROCESS_DPI_AWARENESS PROCESS_DPI_AWARENESS

Enumeration Type Documentation

PROCESS_DPI_AWARENESS

enum PROCESS_DPI_AWARENESS

Enumerator
PROCESS_DPI_UNAWARE
PROCESS_SYSTEM_DPI_AWARE
PROCESS_PER_MONITOR_DPI_AWARE

Function Documentation

GetCallbacks()

const EventCallback* GetCallbacks

(

)

Get the current callbacks.

Get the current callbacks

InitKey2Str()

static void InitKey2Str ( )

static

Initialize SDLKey to string map

InitVideoSdl()

void InitVideoSdl

(

)

Initialize the video part for SDL.

Invalidate()

void Invalidate

(

)

Simply invalidates whole window or screen.

Invalidate whole window

InvalidateArea()

void InvalidateArea	(	int	x,
		int	y,
		int	w,
		int	h
	)

Invalidate some area

Parameters

x	screen pixel X position.
y	screen pixel Y position.
w	width of rectangle in pixels.
h	height of rectangle in pixels.

isTextInput()

static bool isTextInput ( int  key )

static

RealizeVideoMemory()

void RealizeVideoMemory

(

)

Realize video memory.

RenderBenchmarkOverlay()

static void RenderBenchmarkOverlay ( )

static

SdlDoEvent()

static void SdlDoEvent ( const EventCallback &  callbacks, SDL_Event &  event  )

static

Handle interactive input event.

Parameters

callbacks	Callback structure for events.
event	SDL event structure pointer.

SdlGetGrabMouse()

bool SdlGetGrabMouse

(

)

Check if the mouse is grabbed.

Check if the mouse is grabbed

SdlKey2Str()

const char* SdlKey2Str

(

int

key

)

Convert a SDLKey to a string.

Convert a SDLKey to a string

SdlLockScreen()

void SdlLockScreen

(

)

Init SDL video hardware driver.

Lock the screen for write access.

SdlUnlockScreen()

void SdlUnlockScreen

(

)

Do SDL hardware lock.

Unlock the screen for write access.

SetCallbacks()

void SetCallbacks

(

const EventCallback *

callbacks

)

Set the current callbacks.

Set the current callbacks

setDpiAware()

static void setDpiAware ( )

static

SetVideoSync()

void SetVideoSync

(

)

Initializes video synchronization.

Initialise video sync. Calculate the length of video frame and any simulation skips.

See also

VideoSyncSpeed

SkipFrames

FrameTicks

Str2SdlKey()

int Str2SdlKey

(

const char *

str

)

Convert a string to SDLKey

ToggleFullScreen()

void ToggleFullScreen

(

)

Toggle full screen mode.

Toggle full screen mode.

ToggleGrabMouse()

void ToggleGrabMouse

(

int

mode

)

Toggle mouse grab mode.

Toggle grab mouse.

Parameters

mode	Wanted mode, 1 grab, -1 not grab, 0 toggle.

VideoValidResolution()

int VideoValidResolution	(	int	w,
		int	h
	)

Check if a resolution is valid.

Check if a resolution is valid

Parameters

w	Width
h	Height

WaitEventsOneFrame()

void WaitEventsOneFrame

(

)

Process all system events. Returns if the time for a frame is over.

Wait for interactive input event for one frame.

Handles system events, joystick, keyboard, mouse. Handles the network messages. Handles the sound queue.

All events available are fetched. Sound and network only if available. Returns if the time for one frame is over.

Variable Documentation

Callbacks

const EventCallback* Callbacks

Frame length in ms.

dummyRenderer

bool dummyRenderer = false

static

FrameTicks

double FrameTicks

IsSDLWindowVisible

bool IsSDLWindowVisible = true

Flag telling if the SDL window is visible.

Key2Str

std::map<int, std::string> Key2Str

static

LastTick

Uint32 LastTick = 0

static

Realize video memory.

NumRects

int NumRects

static

Rects

SDL_Rect Rects[100]

static

Internal screen.

RefreshRate

int RefreshRate = 0

static

SDL_CUSTOM_KEY_UP

uint32_t SDL_CUSTOM_KEY_UP

SizeChangeCounter

uint8_t SizeChangeCounter = 0

Just a counter to cache window data on in other places when the size changes.

Str2Key

std::map<std::string, int> Str2Key

static

TheRenderer

SDL_Renderer* TheRenderer = NULL

Internal screen.

TheScreen

SDL_Surface* TheScreen

Internal screen.

TheTexture

SDL_Texture* TheTexture

Internal screen.

TheWindow

SDL_Window* TheWindow

The SDL screen.