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/* Copyright 2020 Jaakko Keränen <jaakko.keranen@iki.fi>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
#pragma once
#include "root.h"
#include <the_Foundation/rect.h>
#include <SDL_events.h>
#include <SDL_render.h>
#include <SDL_video.h>
enum iWindowType {
main_WindowType,
popup_WindowType,
};
iDeclareType(MainWindow)
iDeclareType(Text)
iDeclareType(Window)
iDeclareTypeConstructionArgs(Window, enum iWindowType type, iRect rect, uint32_t flags)
iDeclareTypeConstructionArgs(MainWindow, iRect rect)
typedef iAny iAnyWindow;
enum iWindowSnap {
none_WindowSnap = 0,
left_WindowSnap = 1,
right_WindowSnap = 2,
maximized_WindowSnap = 3,
yMaximized_WindowSnap = 4,
fullscreen_WindowSnap = 5,
mask_WindowSnap = 0xff,
topBit_WindowSnap = iBit(9),
bottomBit_WindowSnap = iBit(10),
redo_WindowSnap = iBit(11),
};
iDeclareType(WindowPlacement)
/* Tracking of window placement. */
struct Impl_WindowPlacement {
iInt2 initialPos;
iRect normalRect; /* updated when window is moved/resized */
iInt2 lastNotifiedSize; /* keep track of horizontal/vertical notifications */
int snap; /* LAGRANGE_ENABLE_CUSTOM_FRAME */
int lastHit;
};
enum iWindowSplit {
vertical_WindowSplit = iBit(1),
oneToTwo_WindowSplit = iBit(2),
twoToOne_WindowSplit = iBit(3),
equal_WindowSplit = oneToTwo_WindowSplit | twoToOne_WindowSplit,
/* meta */
mode_WindowSplit = vertical_WindowSplit | equal_WindowSplit,
mask_WindowSplit = equal_WindowSplit,
merge_WindowSplit = iBit(10),
noEvents_WindowSplit = iBit(11),
};
struct Impl_Window {
enum iWindowType type;
SDL_Window * win;
iBool isExposed;
iBool isMinimized;
iBool isMouseInside;
iBool isInvalidated;
iBool ignoreClick;
uint32_t focusGainedAt;
SDL_Renderer *render;
iInt2 size;
iWidget * hover;
iWidget * lastHover; /* cleared if deleted */
iWidget * mouseGrab;
iWidget * focus;
float pixelRatio; /* conversion between points and pixels, e.g., coords, window size */
float displayScale; /* DPI-based scaling factor of current display, affects uiScale only */
float uiScale;
uint32_t frameTime;
double presentTime;
SDL_Cursor * cursors[SDL_NUM_SYSTEM_CURSORS];
SDL_Cursor * pendingCursor;
iRoot * roots[2]; /* root widget and UI state; second one is for split mode */
iRoot * keyRoot; /* root that has the current keyboard input focus */
SDL_Texture * borderShadow;
iText * text;
};
struct Impl_MainWindow {
iWindow base;
iWindowPlacement place;
iBool isDrawFrozen; /* avoids premature draws while restoring window state */
int splitMode;
int pendingSplitMode;
iString * pendingSplitUrl; /* URL to open in a newly opened split */
iString * pendingSplitOrigin; /* tab from where split was initiated, if any */
SDL_Texture * appIcon;
int keyboardHeight; /* mobile software keyboards */
int maxDrawableHeight;
iBool enableBackBuf; /* only used on macOS with Metal (helps with refresh glitches for some reason??) */
SDL_Texture * backBuf; /* enables refreshing the window without redrawing anything */
};
iLocalDef enum iWindowType type_Window(const iAnyWindow *d) {
if (d) {
return ((const iWindow *) d)->type;
}
return main_WindowType;
}
uint32_t id_Window (const iWindow *);
iInt2 size_Window (const iWindow *);
iInt2 maxTextureSize_Window (const iWindow *);
float uiScale_Window (const iWindow *);
iInt2 coord_Window (const iWindow *, int x, int y);
iInt2 mouseCoord_Window (const iWindow *, int whichDevice);
iAnyObject * hitChild_Window (const iWindow *, iInt2 coord);
uint32_t frameTime_Window (const iWindow *);
SDL_Renderer * renderer_Window (const iWindow *);
int numRoots_Window (const iWindow *);
iRoot * findRoot_Window (const iWindow *, const iWidget *widget);
iRoot * otherRoot_Window (const iWindow *, iRoot *root);
iBool processEvent_Window (iWindow *, const SDL_Event *);
iBool dispatchEvent_Window (iWindow *, const SDL_Event *);
void invalidate_Window (iAnyWindow *); /* discard all cached graphics */
void draw_Window (iWindow *);
void setUiScale_Window (iWindow *, float uiScale);
void setCursor_Window (iWindow *, int cursor);
iBool setKeyRoot_Window (iWindow *, iRoot *root);
iBool postContextClick_Window (iWindow *, const SDL_MouseButtonEvent *);
void updateHover_Window (iWindow *);
iWindow * get_Window (void);
iBool isOpenGLRenderer_Window (void);
void setCurrent_Window (iAnyWindow *);
iLocalDef iBool isExposed_Window(const iWindow *d) {
iAssert(d);
return d->isExposed;
}
iLocalDef iWindow *as_Window(iAnyWindow *d) {
iAssert(type_Window(d) == main_WindowType || type_Window(d) == popup_WindowType);
return (iWindow *) d;
}
iLocalDef const iWindow *constAs_Window(const iAnyWindow *d) {
iAssert(type_Window(d) == main_WindowType || type_Window(d) == popup_WindowType);
return (const iWindow *) d;
}
iLocalDef iText *text_Window(const iAnyWindow *d) {
return constAs_Window(d)->text;
}
/*----------------------------------------------------------------------------------------------*/
iLocalDef iWindow *asWindow_MainWindow(iMainWindow *d) {
iAssert(type_Window(d) == main_WindowType);
return &d->base;
}
void setTitle_MainWindow (iMainWindow *, const iString *title);
void setSnap_MainWindow (iMainWindow *, int snapMode);
void setFreezeDraw_MainWindow (iMainWindow *, iBool freezeDraw);
void setKeyboardHeight_MainWindow (iMainWindow *, int height);
void setSplitMode_MainWindow (iMainWindow *, int splitMode);
void checkPendingSplit_MainWindow (iMainWindow *);
void swapRoots_MainWindow (iMainWindow *);
//void showToolbars_MainWindow (iMainWindow *, iBool show);
void resize_MainWindow (iMainWindow *, int w, int h);
//iBool processEvent_MainWindow (iMainWindow *, const SDL_Event *);
void draw_MainWindow (iMainWindow *);
void drawWhileResizing_MainWindow (iMainWindow *, int w, int h); /* workaround for SDL bug */
int snap_MainWindow (const iMainWindow *);
iBool isFullscreen_MainWindow (const iMainWindow *);
#if defined (LAGRANGE_ENABLE_CUSTOM_FRAME)
SDL_HitTestResult hitTest_MainWindow(const iMainWindow *d, iInt2 pos);
#endif
iMainWindow * get_MainWindow (void);
iLocalDef iMainWindow *as_MainWindow(iAnyWindow *d) {
iAssert(type_Window(d) == main_WindowType);
return (iMainWindow *) d;
}
iLocalDef const iMainWindow *constAs_MainWindow(const iAnyWindow *d) {
iAssert(type_Window(d) == main_WindowType);
return (const iMainWindow *) d;
}
/*----------------------------------------------------------------------------------------------*/
iWindow * newPopup_Window (iInt2 screenPos, iWidget *rootWidget);
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