88 return pInstance == NULL ? 0 : pInstance->m_mainThreadId;
89 }
90
91 static jobject EnterNestedEventLoop(JNIEnv * env);
92 static void LeaveNestedEventLoop(JNIEnv * env, jobject retValue);
93 static void SetGlassClassLoader(JNIEnv *env, jobject classLoader);
94 static jclass ClassForName(JNIEnv *env, char *className);
95
96 static void SetHInstance(HINSTANCE hInstace) { GlassApplication::hInstace = hInstace; }
97 static HINSTANCE GetHInstance() { return GlassApplication::hInstace; }
98
99 /* Maintains a counter. Must be balanced with UninstallMouseLLHook. */
100 static void InstallMouseLLHook();
101 static void UninstallMouseLLHook();
102
103 static ULONG IncrementAccessibility();
104 static ULONG DecrementAccessibility();
105 static ULONG GetAccessibilityCount();
106
107 static jfloat overrideUIScale;
108 static jfloat overrideRenderScale;
109 static jfloat minDPIScale;
110 static jboolean forceIntegerRenderScale;
111
112 inline static jfloat GetUIScale(UINT dpi)
113 {
114 if (overrideUIScale > 0.0f) return overrideUIScale;
115 jfloat uiScale = dpi / 96.0f;
116 if (uiScale < minDPIScale) return 1.0f;
117 return uiScale;
118 }
119
120 inline static jfloat getRenderScale(jfloat uiScale) {
121 if (overrideRenderScale > 0.0f) return overrideRenderScale;
122 if (forceIntegerRenderScale) return ceil(uiScale);
123 return uiScale;
124 }
125
126 protected:
127 virtual LRESULT WindowProc(UINT msg, WPARAM wParam, LPARAM lParam);
128 virtual LPCTSTR GetWindowClassNameSuffix();
129
130 private:
131 jobject m_grefThis;
132 jobject m_clipboard;
133 static GlassApplication *pInstance;
134 HWND m_hNextClipboardView;
135 DWORD m_mainThreadId;
136 static jobject sm_glassClassLoader;
137
138 // These are static because the GlassApplication instance may be
139 // destroyed while the nested loop is spinning
140 static bool sm_shouldLeaveNestedLoop;
141 static JGlobalRef<jobject> sm_nestedLoopReturnValue;
142
143 static HINSTANCE hInstace;
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88 return pInstance == NULL ? 0 : pInstance->m_mainThreadId;
89 }
90
91 static jobject EnterNestedEventLoop(JNIEnv * env);
92 static void LeaveNestedEventLoop(JNIEnv * env, jobject retValue);
93 static void SetGlassClassLoader(JNIEnv *env, jobject classLoader);
94 static jclass ClassForName(JNIEnv *env, char *className);
95
96 static void SetHInstance(HINSTANCE hInstace) { GlassApplication::hInstace = hInstace; }
97 static HINSTANCE GetHInstance() { return GlassApplication::hInstace; }
98
99 /* Maintains a counter. Must be balanced with UninstallMouseLLHook. */
100 static void InstallMouseLLHook();
101 static void UninstallMouseLLHook();
102
103 static ULONG IncrementAccessibility();
104 static ULONG DecrementAccessibility();
105 static ULONG GetAccessibilityCount();
106
107 static jfloat overrideUIScale;
108
109 inline static jboolean IsUIScaleOverridden()
110 {
111 return (overrideUIScale > 0.0f);
112 }
113
114 inline static jfloat GetUIScale(UINT dpi)
115 {
116 return IsUIScaleOverridden()
117 ? overrideUIScale
118 : dpi / ((float) USER_DEFAULT_SCREEN_DPI);
119 }
120
121 protected:
122 virtual LRESULT WindowProc(UINT msg, WPARAM wParam, LPARAM lParam);
123 virtual LPCTSTR GetWindowClassNameSuffix();
124
125 private:
126 jobject m_grefThis;
127 jobject m_clipboard;
128 static GlassApplication *pInstance;
129 HWND m_hNextClipboardView;
130 DWORD m_mainThreadId;
131 static jobject sm_glassClassLoader;
132
133 // These are static because the GlassApplication instance may be
134 // destroyed while the nested loop is spinning
135 static bool sm_shouldLeaveNestedLoop;
136 static JGlobalRef<jobject> sm_nestedLoopReturnValue;
137
138 static HINSTANCE hInstace;
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