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      1 /*
      2 * Copyright 2016 Google Inc.
      3 *
      4 * Use of this source code is governed by a BSD-style license that can be
      5 * found in the LICENSE file.
      6 */
      7 
      8 #ifndef Window_unix_DEFINED
      9 #define Window_unix_DEFINED
     10 
     11 #include <X11/Xlib.h>
     12 #include <GL/glx.h>
     13 #include "../Window.h"
     14 #include "SkChecksum.h"
     15 #include "SkTDynamicHash.h"
     16 
     17 typedef Window XWindow;
     18 
     19 namespace sk_app {
     20 
     21 class Window_unix : public Window {
     22 public:
     23     Window_unix() : Window()
     24                   , fDisplay(nullptr)
     25                   , fWindow(0)
     26                   , fGC(nullptr)
     27                   , fFBConfig(nullptr)
     28                   , fVisualInfo(nullptr)
     29                   , fMSAASampleCount(0) {}
     30     ~Window_unix() override { this->closeWindow(); }
     31 
     32     bool initWindow(Display* display);
     33 
     34     void setTitle(const char*) override;
     35     void show() override;
     36 
     37     bool attach(BackendType) override;
     38 
     39     void onInval() override;
     40 
     41     bool handleEvent(const XEvent& event);
     42 
     43     static const XWindow& GetKey(const Window_unix& w) {
     44         return w.fWindow;
     45     }
     46 
     47     static uint32_t Hash(const XWindow& w) {
     48         return SkChecksum::Mix(w);
     49     }
     50 
     51     static SkTDynamicHash<Window_unix, XWindow> gWindowMap;
     52 
     53     void markPendingPaint() { fPendingPaint = true; }
     54     void finishPaint() {
     55         if (fPendingPaint) {
     56             this->onPaint();
     57             fPendingPaint = false;
     58         }
     59     }
     60 
     61     void markPendingResize(int width, int height) {
     62         if (width != this->width() || height != this->height()){
     63             fPendingResize = true;
     64             fPendingWidth = width;
     65             fPendingHeight = height;
     66         }
     67     }
     68     void finishResize() {
     69         if (fPendingResize) {
     70             this->onResize(fPendingWidth, fPendingHeight);
     71             fPendingResize = false;
     72         }
     73     }
     74 
     75 private:
     76     void closeWindow();
     77 
     78     Display*     fDisplay;
     79     XWindow      fWindow;
     80     GC           fGC;
     81     GLXFBConfig* fFBConfig;
     82     XVisualInfo* fVisualInfo;
     83     int          fMSAASampleCount;
     84 
     85     Atom     fWmDeleteMessage;
     86 
     87     bool     fPendingPaint;
     88     int      fPendingWidth;
     89     int      fPendingHeight;
     90     bool     fPendingResize;
     91 };
     92 
     93 }   // namespace sk_app
     94 
     95 #endif
     96