diff options
Diffstat (limited to 'cmake/src/menu/UDisplay.pas')
| -rw-r--r-- | cmake/src/menu/UDisplay.pas | 218 |
1 files changed, 206 insertions, 12 deletions
diff --git a/cmake/src/menu/UDisplay.pas b/cmake/src/menu/UDisplay.pas index 58c416db..f2eb2ced 100644 --- a/cmake/src/menu/UDisplay.pas +++ b/cmake/src/menu/UDisplay.pas @@ -45,7 +45,7 @@ type TDisplay = class private //fade-to-black-hack - BlackScreen: boolean; + BlackScreen: boolean; FadeEnabled: boolean; // true if fading is enabled FadeFailed: boolean; // true if fading is possible (enough memory, etc.) @@ -60,6 +60,17 @@ type OSD_LastError: string; + { software cursor data } + Cursor_X: double; + Cursor_Y: double; + Cursor_Pressed: boolean; + Cursor_HiddenByScreen: boolean; // hides software cursor and deactivate auto fade in + + // used for cursor fade out when there is no movement + Cursor_Visible: boolean; + Cursor_LastMove: cardinal; + Cursor_Fade: boolean; + procedure DrawDebugInformation; public NextScreen: PMenu; @@ -78,10 +89,27 @@ type procedure SaveScreenShot; function Draw: boolean; + + { sets SDL_ShowCursor depending on options set in Ini } + procedure SetCursor; + + { called when cursor moves, positioning of software cursor } + procedure MoveCursor(X, Y: double; Pressed: boolean); + + + { draws software cursor } + procedure DrawCursor; end; var - Display: TDisplay; + Display: TDisplay; + +const + { constants for software cursor effects + time in milliseconds } + Cursor_FadeIn_Time = 500; // seconds the fade in effect lasts + Cursor_FadeOut_Time = 2000; // seconds the fade out effect lasts + Cursor_AutoHide_Time = 5000; // seconds until auto fade out starts if there is no mouse movement implementation @@ -110,9 +138,9 @@ begin BlackScreen := false; // fade mod - FadeState := 0; + FadeState := 0; FadeEnabled := (Ini.ScreenFade = 1); - FadeFailed:= false; + FadeFailed := false; glGenTextures(2, @FadeTex); @@ -125,6 +153,15 @@ begin //Set LastError for OSD to No Error OSD_LastError := 'No Errors'; + + // software cursor default values + Cursor_LastMove := 0; + Cursor_Visible := false; + Cursor_Pressed := false; + Cursor_X := -1; + Cursor_Y := -1; + Cursor_Fade := false; + Cursor_HiddenByScreen := true; end; destructor TDisplay.Destroy; @@ -306,6 +343,162 @@ begin if ((Ini.Debug = 1) or (Params.Debug)) and (S = 1) then DrawDebugInformation; end; // for + + if not BlackScreen then + DrawCursor; +end; + +{ sets SDL_ShowCursor depending on options set in Ini } +procedure TDisplay.SetCursor; +var + Cursor: Integer; +begin + Cursor := 0; + + if (CurrentScreen <> @ScreenSing) or (Cursor_HiddenByScreen) then + begin // hide cursor on singscreen + if (Ini.Mouse = 0) and (Ini.FullScreen = 0) then + // show sdl (os) cursor in window mode even when mouse support is off + Cursor := 1 + else if (Ini.Mouse = 1) then + // show sdl (os) cursor when hardware cursor is selected + Cursor := 1; + + if (Ini.Mouse <> 2) then + Cursor_HiddenByScreen := false; + end + else if (Ini.Mouse <> 2) then + Cursor_HiddenByScreen := true; + + + SDL_ShowCursor(Cursor); + + if (Ini.Mouse = 2) then + begin + if Cursor_HiddenByScreen then + begin + // show software cursor + Cursor_HiddenByScreen := false; + Cursor_Visible := false; + Cursor_Fade := false; + end + else if (CurrentScreen = @ScreenSing) then + begin + // hide software cursor in singscreen + Cursor_HiddenByScreen := true; + Cursor_Visible := false; + Cursor_Fade := false; + end; + end; +end; + +{ called when cursor moves, positioning of software cursor } +procedure TDisplay.MoveCursor(X, Y: double; Pressed: boolean); +var + Ticks: cardinal; +begin + if (Ini.Mouse = 2) and + ((X <> Cursor_X) or (Y <> Cursor_Y) or (Pressed <> Cursor_Pressed)) then + begin + Cursor_X := X; + Cursor_Y := Y; + Cursor_Pressed := Pressed; + + Ticks := SDL_GetTicks; + + { fade in on movement (or button press) if not first movement } + if (not Cursor_Visible) and (Cursor_LastMove <> 0) then + begin + if Cursor_Fade then // we use a trick here to consider progress of fade out + Cursor_LastMove := Ticks - round(Cursor_FadeIn_Time * (1 - (Ticks - Cursor_LastMove)/Cursor_FadeOut_Time)) + else + Cursor_LastMove := Ticks; + + Cursor_Visible := true; + Cursor_Fade := true; + end + else if not Cursor_Fade then + begin + Cursor_LastMove := Ticks; + end; + end; +end; + +{ draws software cursor } +procedure TDisplay.DrawCursor; +var + Alpha: single; + Ticks: cardinal; +begin + if (Ini.Mouse = 2) then + begin // draw software cursor + Ticks := SDL_GetTicks; + + if (Cursor_Visible) and (Cursor_LastMove + Cursor_AutoHide_Time <= Ticks) then + begin // start fade out after 5 secs w/o activity + Cursor_Visible := false; + Cursor_LastMove := Ticks; + Cursor_Fade := true; + end; + + // fading + if Cursor_Fade then + begin + if Cursor_Visible then + begin // fade in + if (Cursor_LastMove + Cursor_FadeIn_Time <= Ticks) then + Cursor_Fade := false + else + Alpha := sin((Ticks - Cursor_LastMove) * 0.5 * pi / Cursor_FadeIn_Time) * 0.7; + end + else + begin //fade out + if (Cursor_LastMove + Cursor_FadeOut_Time <= Ticks) then + Cursor_Fade := false + else + Alpha := cos((Ticks - Cursor_LastMove) * 0.5 * pi / Cursor_FadeOut_Time) * 0.7; + end; + end; + + // no else if here because we may turn off fade in if block + if not Cursor_Fade then + begin + if Cursor_Visible then + Alpha := 0.7 // alpha when cursor visible and not fading + else + Alpha := 0; // alpha when cursor is hidden + end; + + if (Alpha > 0) and (not Cursor_HiddenByScreen) then + begin + glColor4f(1, 1, 1, Alpha); + glEnable(GL_TEXTURE_2D); + glEnable(GL_BLEND); + glDisable(GL_DEPTH_TEST); + + if (Cursor_Pressed) and (Tex_Cursor_Pressed.TexNum > 0) then + glBindTexture(GL_TEXTURE_2D, Tex_Cursor_Pressed.TexNum) + else + glBindTexture(GL_TEXTURE_2D, Tex_Cursor_Unpressed.TexNum); + + glBegin(GL_QUADS); + glTexCoord2f(0, 0); + glVertex2f(Cursor_X, Cursor_Y); + + glTexCoord2f(0, 1); + glVertex2f(Cursor_X, Cursor_Y + 32); + + glTexCoord2f(1, 1); + glVertex2f(Cursor_X + 32, Cursor_Y + 32); + + glTexCoord2f(1, 0); + glVertex2f(Cursor_X + 32, Cursor_Y); + glEnd; + + glDisable(GL_BLEND); + glDisable(GL_TEXTURE_2D); + end; + end; end; procedure TDisplay.SaveScreenShot; @@ -360,10 +553,11 @@ begin end; //------------ -// DrawDebugInformation - Procedure draw FPS and some other Informations on Screen +// DrawDebugInformation - procedure draw fps and some other informations on screen //------------ procedure TDisplay.DrawDebugInformation; -var Ticks: cardinal; +var + Ticks: cardinal; begin // Some White Background for information glEnable(GL_BLEND); @@ -377,13 +571,13 @@ begin glEnd; glDisable(GL_BLEND); -// Set Font Specs +// set font specs SetFontStyle(0); SetFontSize(21); SetFontItalic(false); glColor4f(0, 0, 0, 1); -// Calculate FPS +// calculate fps Ticks := SDL_GetTicks(); if (Ticks >= NextFPSSwap) then begin @@ -394,17 +588,17 @@ begin Inc(FPSCounter); -// Draw Text +// draw text -// FPS +// fps SetFontPos(695, 0); glPrint ('FPS: ' + InttoStr(LastFPS)); -// RSpeed +// rspeed SetFontPos(695, 13); glPrint ('RSpeed: ' + InttoStr(Round(1000 * TimeMid))); -// LastError +// lasterror SetFontPos(695, 26); glColor4f(1, 0, 0, 1); glPrint (OSD_LastError); |