mirror of https://github.com/bsnes-emu/bsnes.git
153 lines
3.6 KiB
C++
153 lines
3.6 KiB
C++
#ifndef NALL_COMPOSITOR_HPP
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#define NALL_COMPOSITOR_HPP
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#include <nall/intrinsics.hpp>
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namespace nall {
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struct compositor {
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inline static bool enabled();
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inline static bool enable(bool status);
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#if defined(PLATFORM_XORG)
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enum class Compositor : unsigned { Unknown, Metacity, Xfwm4 };
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inline static Compositor detect();
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inline static bool enabled_metacity();
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inline static bool enable_metacity(bool status);
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inline static bool enabled_xfwm4();
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inline static bool enable_xfwm4(bool status);
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#endif
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};
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#if defined(PLATFORM_XORG)
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//Metacity
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bool compositor::enabled_metacity() {
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FILE* fp = popen("gconftool-2 --get /apps/metacity/general/compositing_manager", "r");
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if(!fp) return false;
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char buffer[512];
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if(!fgets(buffer, sizeof buffer, fp)) return false;
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if(!memcmp(buffer, "true", 4)) return true;
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return false;
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}
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bool compositor::enable_metacity(bool status) {
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FILE* fp;
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if(status) {
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fp = popen("gconftool-2 --set --type bool /apps/metacity/general/compositing_manager true", "r");
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} else {
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fp = popen("gconftool-2 --set --type bool /apps/metacity/general/compositing_manager false", "r");
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}
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if(!fp) return false;
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pclose(fp);
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return true;
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}
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//Xfwm4
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bool compositor::enabled_xfwm4() {
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FILE* fp = popen("xfconf-query -c xfwm4 -p '/general/use_compositing'", "r");
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if(!fp) return false;
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char buffer[512];
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if(!fgets(buffer, sizeof buffer, fp)) return false;
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if(!memcmp(buffer, "true", 4)) return true;
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return false;
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}
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bool compositor::enable_xfwm4(bool status) {
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FILE* fp;
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if(status) {
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fp = popen("xfconf-query -c xfwm4 -p '/general/use_compositing' -t 'bool' -s 'true'", "r");
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} else {
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fp = popen("xfconf-query -c xfwm4 -p '/general/use_compositing' -t 'bool' -s 'false'", "r");
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}
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if(!fp) return false;
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pclose(fp);
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return true;
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}
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//General
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compositor::Compositor compositor::detect() {
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Compositor result = Compositor::Unknown;
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FILE* fp;
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char buffer[512];
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fp = popen("pidof metacity", "r");
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if(fp && fgets(buffer, sizeof buffer, fp)) result = Compositor::Metacity;
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pclose(fp);
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fp = popen("pidof xfwm4", "r");
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if(fp && fgets(buffer, sizeof buffer, fp)) result = Compositor::Xfwm4;
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pclose(fp);
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return result;
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}
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bool compositor::enabled() {
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switch(detect()) {
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case Compositor::Metacity: return enabled_metacity();
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case Compositor::Xfwm4: return enabled_xfwm4();
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default: return false;
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}
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}
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bool compositor::enable(bool status) {
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switch(detect()) {
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case Compositor::Metacity: return enable_metacity(status);
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case Compositor::Xfwm4: return enable_xfwm4(status);
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default: return false;
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}
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}
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#elif defined(PLATFORM_WINDOWS)
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bool compositor::enabled() {
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HMODULE module = GetModuleHandleW(L"dwmapi");
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if(module == nullptr) module = LoadLibraryW(L"dwmapi");
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if(module == nullptr) return false;
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auto pDwmIsCompositionEnabled = (HRESULT (WINAPI*)(BOOL*))GetProcAddress(module, "DwmIsCompositionEnabled");
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if(pDwmIsCompositionEnabled == nullptr) return false;
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BOOL result;
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if(pDwmIsCompositionEnabled(&result) != S_OK) return false;
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return result;
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}
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bool compositor::enable(bool status) {
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HMODULE module = GetModuleHandleW(L"dwmapi");
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if(module == nullptr) module = LoadLibraryW(L"dwmapi");
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if(module == nullptr) return false;
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auto pDwmEnableComposition = (HRESULT (WINAPI*)(UINT))GetProcAddress(module, "DwmEnableComposition");
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if(pDwmEnableComposition == nullptr) return false;
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if(pDwmEnableComposition(status) != S_OK) return false;
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return true;
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}
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#else
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bool compositor::enabled() {
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return false;
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}
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bool compositor::enable(bool) {
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return false;
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}
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#endif
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}
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#endif
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