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#pragma once
#include <wx/event.h>
#include "Modifier.h"
namespace wxutil
{
class MouseButton
{
#define ATTR_BUTTON ("button")
#define BUTTONSTR_LMB "LMB"
#define BUTTONSTR_MMB "MMB"
#define BUTTONSTR_RMB "RMB"
#define BUTTONSTR_AUX1 "AUX1"
#define BUTTONSTR_AUX2 "AUX2"
public:
enum ButtonFlags
{
NONE = 0,
LEFT = 1 << 1,
RIGHT = 1 << 2,
MIDDLE = 1 << 3,
AUX1 = 1 << 4,
AUX2 = 1 << 5,
ALL_BUTTON_MASK = (LEFT | RIGHT | MIDDLE | AUX1 | AUX2),
/* Used by wxutil::Modifier
SHIFT = 1 << 6,
CONTROL = 1 << 7,
ALT = 1 << 8
*/
};
// Returns a bit mask corresponding to a single mouse button CHANGE event
// Only one mouse button will be marked in this bit mask since only one
// button can be changed at a given time. The keyboard modifier state
// is added to the bit mask in the usual way, the according bit flag will
// be set if the modifier key is currently held. This also checks the flag
// if a double-click event is generated by wxWidgets
static unsigned int GetButtonStateChangeForMouseEvent(wxMouseEvent& ev)
{
unsigned int newState = NONE;
if (ev.LeftDown() || ev.LeftUp() || ev.LeftDClick())
{
newState |= LEFT;
}
else if (ev.RightDown() || ev.RightUp() || ev.RightDClick())
{
newState |= RIGHT;
}
else if (ev.MiddleDown() || ev.MiddleUp() || ev.MiddleDClick())
{
newState |= MIDDLE;
}
#if wxCHECK_VERSION(3,0,0)
else if (ev.Aux1Down() || ev.Aux1Up() || ev.Aux1DClick())
{
newState |= AUX1;
}
else if (ev.Aux2Down() || ev.Aux2Up() || ev.Aux2DClick())
{
newState |= AUX2;
}
#endif
// Add the modifier key state as usual
newState |= Modifier::GetStateForMouseEvent(ev);
return newState;
}
// Returns a bit mask representing the current mouse and modifier state
// Since it represents the current state it's possible to find multiple
// mouse buttons being held at the same time.
static unsigned int GetStateForMouseEvent(wxMouseEvent& ev)
{
unsigned int newState = NONE;
if (ev.LeftIsDown())
{
newState |= LEFT;
}
else
{
newState &= ~LEFT;
}
if (ev.RightIsDown())
{
newState |= RIGHT;
}
else
{
newState &= ~RIGHT;
}
if (ev.MiddleIsDown())
{
newState |= MIDDLE;
}
else
{
newState &= ~MIDDLE;
}
#if wxCHECK_VERSION(3,0,0)
if (ev.Aux1IsDown())
{
newState |= AUX1;
}
else
{
newState &= ~AUX1;
}
if (ev.Aux2IsDown())
{
newState |= AUX2;
}
else
{
newState &= ~AUX2;
}
#endif
newState |= Modifier::GetStateForMouseEvent(ev);
return newState;
}
// Parses the node's attributes to the corresponding flag
static unsigned int LoadFromNode(const xml::Node& node)
{
return GetStateFromString(node.getAttributeValue(ATTR_BUTTON));
}
// Converts "LMB" to the corresponding flag
static unsigned int GetStateFromString(const std::string& str)
{
if (str == BUTTONSTR_LMB) return LEFT;
if (str == BUTTONSTR_RMB) return RIGHT;
if (str == BUTTONSTR_MMB) return MIDDLE;
if (str == BUTTONSTR_AUX1) return AUX1;
if (str == BUTTONSTR_AUX2) return AUX2;
return NONE;
}
static std::string GetButtonString(unsigned int state)
{
if ((state & LEFT) != 0) return BUTTONSTR_LMB;
if ((state & RIGHT) != 0) return BUTTONSTR_RMB;
if ((state & MIDDLE) != 0) return BUTTONSTR_MMB;
if ((state & AUX1) != 0) return BUTTONSTR_AUX1;
if ((state & AUX2) != 0) return BUTTONSTR_AUX2;
return "";
}
// Saves the button flags to the given node
static void SaveToNode(unsigned int state, xml::Node& node)
{
node.setAttributeValue(ATTR_BUTTON, GetButtonString(state));
}
static void ForeachButton(const std::function<void(unsigned int)>& func)
{
func(LEFT);
func(MIDDLE);
func(RIGHT);
func(AUX1);
func(AUX2);
}
};
} // namespace
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