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Guess best scale on startup (#684)

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Guess best window scale at startup
This commit is contained in:
suve
2019-12-21 17:39:32 +01:00
committed by Tamás Bálint Misius
parent e6e4c2ed1d
commit 110250fe6a
1 changed files with 36 additions and 15 deletions
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51
src/PowderToySDL.cpp
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@@ -350,7 +350,7 @@ unsigned int lastTick = 0;
unsigned int lastFpsUpdate = 0;
float fps = 0;
ui::Engine * engine = NULL;
bool showDoubleScreenDialog = false;
bool showLargeScreenDialog = false;
float currentWidth, currentHeight;
int mousex = 0, mousey = 0;
@@ -480,12 +480,12 @@ void EventProcess(SDL_Event event)
}
}
void DoubleScreenDialog()
void LargeScreenDialog()
{
StringBuilder message;
message << "Switching to double size mode since your screen was determined to be large enough: ";
message << desktopWidth << "x" << desktopHeight << " detected, " << WINDOWW*2 << "x" << WINDOWH*2 << " required";
message << "\nTo undo this, hit Cancel. You can toggle double size mode in settings at any time.";
message << "Switching to " << scale << "x size mode since your screen was determined to be large enough: ";
message << desktopWidth << "x" << desktopHeight << " detected, " << WINDOWW*scale << "x" << WINDOWH*scale << " required";
message << "\nTo undo this, hit Cancel. You can change this in settings at any time.";
if (!ConfirmPrompt::Blocking("Large screen detected", message.Build()))
{
Client::Ref().SetPref("Scale", 1);
@@ -547,10 +547,10 @@ void EngineProcess()
lastTick = frameStart;
Client::Ref().Tick();
}
if (showDoubleScreenDialog)
if (showLargeScreenDialog)
{
showDoubleScreenDialog = false;
DoubleScreenDialog();
showLargeScreenDialog = false;
LargeScreenDialog();
}
}
#ifdef DEBUG
@@ -633,6 +633,24 @@ void ChdirToDataDirectory()
#endif
}
constexpr int SCALE_MAXIMUM = 10;
constexpr int SCALE_MARGIN = 30;
int GuessBestScale()
{
const int widthNoMargin = desktopWidth - SCALE_MARGIN;
const int widthGuess = widthNoMargin / WINDOWW;
const int heightNoMargin = desktopHeight - SCALE_MARGIN;
const int heightGuess = heightNoMargin / WINDOWH;
int guess = std::min(widthGuess, heightGuess);
if(guess < 1 || guess > SCALE_MAXIMUM)
guess = 1;
return guess;
}
int main(int argc, char * argv[])
{
#if defined(_DEBUG) && defined(_MSC_VER)
@@ -704,17 +722,20 @@ int main(int argc, char * argv[])
Client::Ref().Initialise(proxyString, disableNetwork);
// TODO: maybe bind the maximum allowed scale to screen size somehow
if(scale < 1 || scale > 10)
if(scale < 1 || scale > SCALE_MAXIMUM)
scale = 1;
SDLOpen();
// TODO: mabe make a nice loop that automagically finds the optimal scale
if (Client::Ref().IsFirstRun() && desktopWidth > WINDOWW*2+30 && desktopHeight > WINDOWH*2+30)
if (Client::Ref().IsFirstRun())
{
scale = 2;
Client::Ref().SetPref("Scale", 2);
SDL_SetWindowSize(sdl_window, WINDOWW * 2, WINDOWH * 2);
showDoubleScreenDialog = true;
scale = GuessBestScale();
if (scale > 1)
{
Client::Ref().SetPref("Scale", scale);
SDL_SetWindowSize(sdl_window, WINDOWW * scale, WINDOWH * scale);
showLargeScreenDialog = true;
}
}
#ifdef OGLI