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Use XRandR data to access DPI

This commit is contained in:
Jack Andersen 2018-06-27 15:15:23 -10:00
parent abbd3167b2
commit 322c4d3aab
1 changed files with 7 additions and 4 deletions
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11
lib/x11/WindowXlib.cpp
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@ -998,10 +998,6 @@ public:
m_openGL = true; m_openGL = true;
} }
/* Default screen */
Screen* screen = ScreenOfDisplay(display, defaultScreen);
m_pixelFactor = screen->width / (float)screen->mwidth / REF_DPMM;
XVisualInfo visTemplate; XVisualInfo visTemplate;
visTemplate.screen = defaultScreen; visTemplate.screen = defaultScreen;
int numVisuals; int numVisuals;
@ -1018,6 +1014,7 @@ public:
XFree(visualList); XFree(visualList);
/* Create colormap */ /* Create colormap */
Screen* screen = ScreenOfDisplay(display, defaultScreen);
m_colormapId = XCreateColormap(m_xDisp, screen->root, selectedVisual, AllocNone); m_colormapId = XCreateColormap(m_xDisp, screen->root, selectedVisual, AllocNone);
/* Create window */ /* Create window */
@ -1025,9 +1022,15 @@ public:
int nmonitors = 0; int nmonitors = 0;
XRRMonitorInfo* mInfo = XRRGetMonitors(m_xDisp, screen->root, true, &nmonitors); XRRMonitorInfo* mInfo = XRRGetMonitors(m_xDisp, screen->root, true, &nmonitors);
if (nmonitors) if (nmonitors)
{
genFrameDefault(mInfo, x, y, w, h); genFrameDefault(mInfo, x, y, w, h);
m_pixelFactor = mInfo->width / (float)mInfo->mwidth / REF_DPMM;
}
else else
{
genFrameDefault(screen, x, y, w, h); genFrameDefault(screen, x, y, w, h);
m_pixelFactor = screen->width / (float)screen->mwidth / REF_DPMM;
}
XRRFreeMonitors(mInfo); XRRFreeMonitors(mInfo);
XSetWindowAttributes swa; XSetWindowAttributes swa;
swa.colormap = m_colormapId; swa.colormap = m_colormapId;