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Moved display, pm, and gc to class members.

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This commit is contained in:
Hynak 2022-02-26 17:46:19 -05:00
parent caf79766dc
commit 2d12903185
2 changed files with 28 additions and 26 deletions
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49
src/WallpaperEngine/Render/CContext.cpp
View File

@ -25,19 +25,19 @@ void CContext::initializeViewports ()
if (this->m_isRootWindow == false || this->m_screens.empty () == true)
return;
Display* display = XOpenDisplay (nullptr);
m_display = XOpenDisplay (nullptr);
int xrandr_result, xrandr_error;
if (!XRRQueryExtension (display, &xrandr_result, &xrandr_error))
if (!XRRQueryExtension (m_display, &xrandr_result, &xrandr_error))
{
std::cerr << "XRandr is not present, cannot detect specified screens, running in window mode" << std::endl;
return;
}
int fullWidth = DisplayWidth (display, DefaultScreen (display));
int fullHeight = DisplayHeight (display, DefaultScreen (display));
XRRScreenResources* screenResources = XRRGetScreenResources (display, DefaultRootWindow (display));
int fullWidth = DisplayWidth (m_display, DefaultScreen (m_display));
int fullHeight = DisplayHeight (m_display, DefaultScreen (m_display));
XRRScreenResources* screenResources = XRRGetScreenResources (m_display, DefaultRootWindow (m_display));
// there are some situations where xrandr returns null (like screen not using the extension)
if (screenResources == nullptr)
@ -45,7 +45,7 @@ void CContext::initializeViewports ()
for (int i = 0; i < screenResources->noutput; i ++)
{
XRROutputInfo* info = XRRGetOutputInfo (display, screenResources, screenResources->outputs [i]);
XRROutputInfo* info = XRRGetOutputInfo (m_display, screenResources, screenResources->outputs [i]);
// there are some situations where xrandr returns null (like screen not using the extension)
if (info == nullptr)
@ -58,7 +58,7 @@ void CContext::initializeViewports ()
{
if (info->connection == RR_Connected && strcmp (info->name, (*cur).c_str ()) == 0)
{
XRRCrtcInfo* crtc = XRRGetCrtcInfo (display, screenResources, info->crtc);
XRRCrtcInfo* crtc = XRRGetCrtcInfo (m_display, screenResources, info->crtc);
std::cout << "Found requested screen: " << info->name << " -> " << crtc->x << "x" << crtc->y << ":" << crtc->width << "x" << crtc->height << std::endl;
@ -78,7 +78,7 @@ void CContext::initializeViewports ()
XRRFreeScreenResources (screenResources);
// Cause of issue for issue #59 origial issue
// glfwWindowHintPointer (GLFW_NATIVE_PARENT_HANDLE, reinterpret_cast <void*> (DefaultRootWindow (display)));
// glfwWindowHintPointer (GLFW_NATIVE_PARENT_HANDLE, reinterpret_cast <void*> (DefaultRootWindow (m_display)));
}
void CContext::render ()
@ -88,43 +88,40 @@ void CContext::render ()
if (this->m_viewports.empty () == false)
{
static Display* display = XOpenDisplay (nullptr);
auto cur = this->m_viewports.begin ();
auto end = this->m_viewports.end ();
Window root = DefaultRootWindow(display);
Window root = DefaultRootWindow(m_display);
int windowWidth = 1920, windowHeight = 1080;
int fullWidth = DisplayWidth (display, DefaultScreen (display));
int fullHeight = DisplayHeight (display, DefaultScreen (display));
int fullWidth = DisplayWidth (m_display, DefaultScreen (m_display));
int fullHeight = DisplayHeight (m_display, DefaultScreen (m_display));
Pixmap pm = XCreatePixmap(display, root, fullWidth, fullHeight, 24);
GC gc = XCreateGC(display, pm, 0, NULL);
XFillRectangle(display, pm, gc, 0, 0, fullWidth, fullHeight);
m_pm = XCreatePixmap(m_display, root, fullWidth, fullHeight, 24);
m_gc = XCreateGC(m_display, m_pm, 0, NULL);
XFillRectangle(m_display, m_pm, m_gc, 0, 0, fullWidth, fullHeight);
char* image_data;
image_data = new char[windowWidth*windowHeight*4];
this->m_wallpaper->render (this->m_defaultViewport, true, image_data);
XImage* image = XCreateImage(display, CopyFromParent, 24, ZPixmap, 0, (char *)image_data, windowWidth, windowHeight, 32, 0);
XImage* image = XCreateImage(m_display, CopyFromParent, 24, ZPixmap, 0, (char *)image_data, windowWidth, windowHeight, 32, 0);
for (; cur != end; cur ++)
{
XPutImage(display, pm, gc, image, 0, 0, (*cur).x, (*cur).y, windowWidth, windowHeight);
XPutImage(m_display, m_pm, m_gc, image, 0, 0, (*cur).x, (*cur).y, windowWidth, windowHeight);
}
// _XROOTPMAP_ID & ESETROOT_PMAP_ID allow other programs (compositors) to
// edit the background. Without these, other programs will clear the screen.
Atom prop_root = XInternAtom(display, "_XROOTPMAP_ID", False);
Atom prop_esetroot = XInternAtom(display, "ESETROOT_PMAP_ID", False);
XChangeProperty(display, root, prop_root, XA_PIXMAP, 32, PropModeReplace, (unsigned char *) &pm, 1);
XChangeProperty(display, root, prop_esetroot, XA_PIXMAP, 32, PropModeReplace, (unsigned char *) &pm, 1);
Atom prop_root = XInternAtom(m_display, "_XROOTPMAP_ID", False);
Atom prop_esetroot = XInternAtom(m_display, "ESETROOT_PMAP_ID", False);
XChangeProperty(m_display, root, prop_root, XA_PIXMAP, 32, PropModeReplace, (unsigned char *) &m_pm, 1);
XChangeProperty(m_display, root, prop_esetroot, XA_PIXMAP, 32, PropModeReplace, (unsigned char *) &m_pm, 1);
XSetWindowBackgroundPixmap(display, root, pm);
XClearWindow(display, root);
XFlush(display);
XSetWindowBackgroundPixmap(m_display, root, m_pm);
XClearWindow(m_display, root);
XFlush(m_display);
XDestroyImage(image);
XFreePixmap(display, pm);
XFreeGC(display, gc);
}
else
this->m_wallpaper->render (this->m_defaultViewport);

5
src/WallpaperEngine/Render/CContext.h
View File

@ -3,6 +3,8 @@
#include <vector>
#include <glm/vec4.hpp>
#include <X11/Xlib.h>
#include "WallpaperEngine/Input/CMouseInput.h"
#include "CWallpaper.h"
@ -30,5 +32,8 @@ namespace WallpaperEngine::Render
CWallpaper* m_wallpaper;
CMouseInput* m_mouse;
bool m_isRootWindow;
Display* m_display;
Pixmap m_pm;
GC m_gc;
};
}