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Update some comments.

This commit is contained in:
Jeff Young 2021-09-05 23:15:43 +01:00
parent bb0ca37d5b
commit f9417c6584
1 changed files with 3 additions and 6 deletions
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9
common/tool/selection_tool.cpp
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@ -39,19 +39,17 @@ SELECTION_TOOL::SELECTION_TOOL() :
void SELECTION_TOOL::setModifiersState( bool aShiftState, bool aCtrlState, bool aAltState ) void SELECTION_TOOL::setModifiersState( bool aShiftState, bool aCtrlState, bool aAltState )
{ {
// Set the configuration of m_additive, m_subtractive, m_exclusive_or // Set the configuration of m_additive, m_subtractive, m_exclusive_or from the state of
// from the state of modifier keys SHIFT, CTRL, ALT // modifier keys SHIFT and CTRL
// on left click, a selection is made, depending on modifiers ALT, SHIFT, CTRL:
// ALT key cannot be used on MSW because of a conflict with the system menu // ALT key cannot be used on MSW because of a conflict with the system menu
// for this reason, we do not use the ALT key modifier.
m_subtractive = aCtrlState && aShiftState; m_subtractive = aCtrlState && aShiftState;
m_additive = !aCtrlState && aShiftState; m_additive = !aCtrlState && aShiftState;
m_exclusive_or = false; m_exclusive_or = false;
m_highlight_modifier = aCtrlState && !aShiftState; m_highlight_modifier = aCtrlState && !aShiftState;
// Drag is more forgiving and allows either Ctrl+drag or Shift+Drag to add to the selection // Drag is more forgiving and allows either Ctrl+Drag or Shift+Drag to add to the selection
// Note, however that we cannot provide disambiguation at the same time as the box selection // Note, however that we cannot provide disambiguation at the same time as the box selection
m_drag_additive = ( aCtrlState || aShiftState ) && !aAltState; m_drag_additive = ( aCtrlState || aShiftState ) && !aAltState;
m_drag_subtractive = aCtrlState && aShiftState && !aAltState; m_drag_subtractive = aCtrlState && aShiftState && !aAltState;
@ -59,6 +57,5 @@ void SELECTION_TOOL::setModifiersState( bool aShiftState, bool aCtrlState, bool
// While the ALT key has some conflicts under MSW (and some flavors of Linux WMs), it remains // While the ALT key has some conflicts under MSW (and some flavors of Linux WMs), it remains
// useful for users who only use tap-click rather than holding the button. It doesn't hurt // useful for users who only use tap-click rather than holding the button. It doesn't hurt
// to also have this option. // to also have this option.
m_skip_heuristics = aAltState; m_skip_heuristics = aAltState;
} }