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Make center point be aware of DPI scaling #5030

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This commit is contained in:
Jerry (Xinyu Hou) 2015-11-10 15:01:41 -08:00
parent df89859400
commit fa8a0ebbfe
1 changed files with 11 additions and 7 deletions
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18
src/lib/platform/MSWindowsScreen.cpp
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@ -347,7 +347,8 @@ MSWindowsScreen::leave()
// warp to center
LOG((CLOG_DEBUG1 "warping cursor to center: %+d, %+d", m_xCenter, m_yCenter));
warpCursor(m_xCenter, m_yCenter);
float dpi = DpiHelper::getDpi();
warpCursor(m_xCenter / dpi, m_yCenter / dpi);
// disable special key sequences on win95 family
enableSpecialKeys(false);
@ -568,7 +569,6 @@ MSWindowsScreen::warpCursor(SInt32 x, SInt32 y)
}
void MSWindowsScreen::saveMousePosition(SInt32 x, SInt32 y) {
m_xCursor = x;
m_yCursor = y;
@ -1397,7 +1397,8 @@ MSWindowsScreen::onMouseMove(SInt32 mx, SInt32 my)
// will always try to return to the original entry point on the
// secondary screen.
LOG((CLOG_DEBUG5 "warping server cursor to center: %+d,%+d", m_xCenter, m_yCenter));
warpCursorNoFlush(m_xCenter, m_yCenter);
float dpi = DpiHelper::getDpi();
warpCursorNoFlush(m_xCenter / dpi, m_yCenter / dpi);
// examine the motion. if it's about the distance
// from the center of the screen to an edge then
@ -1405,10 +1406,11 @@ MSWindowsScreen::onMouseMove(SInt32 mx, SInt32 my)
// ignore (see warpCursorNoFlush() for a further
// description).
static SInt32 bogusZoneSize = 10;
if (-x + bogusZoneSize > m_xCenter - m_x ||
x + bogusZoneSize > m_x + m_w - m_xCenter ||
-y + bogusZoneSize > m_yCenter - m_y ||
y + bogusZoneSize > m_y + m_h - m_yCenter) {
LOG((CLOG_DEBUG "dpi: %f m_w: %d center: %d x: %d",dpi, m_w, m_xCenter, x));
if (-x + bogusZoneSize > (m_xCenter - m_x) / dpi ||
x + bogusZoneSize > (m_x + m_w - m_xCenter) / dpi ||
-y + bogusZoneSize > (m_yCenter - m_y) / dpi ||
y + bogusZoneSize > (m_y + m_h - m_yCenter) / dpi) {
LOG((CLOG_DEBUG "dropped bogus delta motion: %+d,%+d", x, y));
}
@ -1603,9 +1605,11 @@ MSWindowsScreen::updateScreenShape()
{
// get shape and center
if (DpiHelper::s_dpiScaled) {
// use the original resolution size for width and height
m_w = (SInt32)DpiHelper::s_resolutionWidth;
m_h = (SInt32)DpiHelper::s_resolutionHeight;
// calculate center position according to the original size
m_xCenter = (SInt32)DpiHelper::s_primaryWidthCenter;
m_yCenter = (SInt32)DpiHelper::s_primaryHeightCenter;
}