/* Copyright 2020 Jaakko Keränen 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 #include #include #include #include extern const iMenuItem topLevelMenus_Window[7]; size_t numWindowMenuItems_Window(void); /* number of items in an empty window menu */ enum iWindowType { main_WindowType, extra_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; int desktop; /* remember the workspace */ }; 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; uint32_t serial; /* incrementing serial number; creation order */ SDL_Window * win; iBool isExposed; iBool isMinimized; iBool isMouseInside; iBool isInvalidated; iAtomicInt isRefreshPending; iBool ignoreClick; /* used on the Windows platform only */ uint32_t focusGainedAt; SDL_Renderer *render; iInt2 size; iWidget * hover; iWidget * lastHover; /* cleared if deleted */ iWidget * mouseGrab; iWidget * keyPriority; /* window dispatches keyboard events to this widget first */ 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; 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; unsigned int frameCount; iClick midDrag; /* middle mouse button drag-to-scroll gesture */ uint32_t midDragTime; /* timestamp of last scroll drag event */ float midDragAccum; }; 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 */ iString * pendingSplitSetIdent; SDL_Texture * appIcon; SDL_Texture * logo; 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); void rootOrder_Window (const iWindow *, iRoot *roots[2]); void emulateKeyPress_Window (const iWindow *, int key, int mods); SDL_Texture * makeTextureFromImageData_Window (const iWindow *, const iBlock *data); void setTitle_Window (iWindow *, const iString *title); 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 *); void makeTextCurrent_Window (iAnyWindow *); /* Window's Text renderer becomes active */ void postRefresh_Window (iAnyWindow *); iLocalDef iBool isExposed_Window(const iWindow *d) { iAssert(d); return d->isExposed; } iLocalDef iBool isDrawFrozen_Window(const iWindow *d) { if (d && d->type == main_WindowType) { return ((const iMainWindow *) d)->isDrawFrozen; } return iFalse; } iLocalDef iWindow *as_Window(iAnyWindow *d) { iAssert(type_Window(d) == main_WindowType || type_Window(d) == extra_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) == extra_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 setSnap_MainWindow (iMainWindow *, int snapMode); void setFreezeDraw_MainWindow (iMainWindow *, iBool freezeDraw); void setKeyboardHeight_MainWindow (iMainWindow *, int height); iObjectList *listDocuments_MainWindow (iMainWindow *, const iRoot *rootOrNull); iBool isAnyDocumentRequestOngoing_MainWindow (iMainWindow *); void setSplitMode_MainWindow (iMainWindow *, int splitMode); void checkPendingSplit_MainWindow (iMainWindow *); void swapRoots_MainWindow (iMainWindow *); void resize_MainWindow (iMainWindow *, int w, int h); void resizeSplits_MainWindow (iMainWindow *, iBool updateDocumentSize); void draw_MainWindow (iMainWindow *); void drawQuick_MainWindow (iMainWindow *); void drawLogo_MainWindow (iMainWindow *, iRect bounds); void drawWhileResizing_MainWindow (iMainWindow *, int w, int h); /* workaround for SDL bug */ int snap_MainWindow (const iMainWindow *); iBool isFullscreen_MainWindow (const iMainWindow *); iLocalDef int defaultSplitAxis_MainWindow(const iMainWindow *d) { return (float) d->base.size.x / (float) d->base.size.y < 0.7f ? 1 : 0; } #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); iWindow * newExtra_Window (iWidget *rootWidget);