Window_unix.h

Go to the documentation of this file.

/*
* Copyright 2016 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
 
#ifndef Window_unix_DEFINED
#define Window_unix_DEFINED
 
#include "src/core/SkChecksum.h"
#include "src/core/SkTDynamicHash.h"
#include "tools/sk_app/Window.h"
 
#include <GL/glx.h>
#include <X11/Xlib.h>
 
#include <string>
 
typedef Window XWindow;
 
namespace sk_app {
 
class Window_unix : public Window {
public:
    Window_unix()
            : Window()
            , fDisplay(nullptr)
            , fWindow(0)
            , fGC(nullptr)
            , fFBConfig(nullptr)
            , fVisualInfo(nullptr)
            , fMSAASampleCount(1) {}
    ~Window_unix() override { this->closeWindow(); }
 
    bool initWindow(Display* display);
 
    void setTitle(const char*) override;
    void show() override;
 
    const char* getClipboardText() override;
    void        setClipboardText(const char*) override;
 
    bool attach(BackendType) override;
 
    void onInval() override;
 
    bool handleEvent(const XEvent& event);
 
    static const XWindow& GetKey(const Window_unix& w) {
        return w.fWindow;
    }
 
    static uint32_t Hash(const XWindow& w) {
        return SkChecksum::Mix(w);
    }
 
    static SkTDynamicHash<Window_unix, XWindow> gWindowMap;
 
    void markPendingPaint() { fPendingPaint = true; }
    void finishPaint() {
        if (fPendingPaint) {
            this->onPaint();
            fPendingPaint = false;
        }
    }
 
    void markPendingResize(int width, int height) {
        if (width != this->width() || height != this->height()){
            fPendingResize = true;
            fPendingWidth = width;
            fPendingHeight = height;
        }
    }
    void finishResize() {
        if (fPendingResize) {
            this->onResize(fPendingWidth, fPendingHeight);
            fPendingResize = false;
        }
    }
 
    void setRequestedDisplayParams(const DisplayParams&, bool allowReattach) override;
 
private:
    void closeWindow();
 
    Display*     fDisplay;
    XWindow      fWindow;
    GC           fGC;
    GLXFBConfig* fFBConfig;
    XVisualInfo* fVisualInfo;
    int          fMSAASampleCount;
 
    Atom     fWmDeleteMessage;
 
    bool     fPendingPaint;
    int      fPendingWidth;
    int      fPendingHeight;
    bool     fPendingResize;
 
    BackendType fBackend = BackendType::kRaster_BackendType;
 
    std::string fClipboardText;
};
 
}   // namespace sk_app
 
#endif