mirror of
https://gitea.wildfiregames.com/0ad/0ad
synced 2026-06-19 14:53:56 -07:00
88 lines
2.3 KiB
C++
88 lines
2.3 KiB
C++
#include "precompiled.h"
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#include "Canvas.h"
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#include "GameInterface/Messages.h"
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#include "ScenarioEditor/Tools/Common/Tools.h"
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Canvas::Canvas(wxWindow* parent, int* attribList, long style)
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: wxGLCanvas(parent, -1, wxDefaultPosition, wxDefaultSize, style, _T("GLCanvas"), attribList),
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m_SuppressResize(true),
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m_LastMousePos(-1, -1), m_MouseCaptured(false)
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{
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}
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void Canvas::OnResize(wxSizeEvent&)
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{
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// Be careful not to send 'resize' messages to the game before we've
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// told it that this canvas exists
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if (! m_SuppressResize)
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POST_MESSAGE(ResizeScreen, (GetClientSize().GetWidth(), GetClientSize().GetHeight()));
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// TODO: fix flashing
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}
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void Canvas::InitSize()
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{
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m_SuppressResize = false;
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SetSize(320, 240);
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}
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void Canvas::OnMouseCapture(wxMouseCaptureChangedEvent& WXUNUSED(evt))
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{
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if (m_MouseCaptured)
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{
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// unexpected loss of capture (i.e. not through ReleaseMouse)
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m_MouseCaptured = false;
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// (Note that this can be made to happen easily, by alt-tabbing away,
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// and mouse events will be missed; so it is never guaranteed that e.g.
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// two LeftDown events will be separated by a LeftUp.)
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}
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}
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void Canvas::OnMouse(wxMouseEvent& evt)
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{
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// Capture on button-down, so we can respond even when the mouse
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// moves off the window
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if (!m_MouseCaptured && evt.ButtonDown())
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{
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m_MouseCaptured = true;
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CaptureMouse();
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}
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// Un-capture when all buttons are up
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else if (m_MouseCaptured && evt.ButtonUp() &&
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! (evt.ButtonIsDown(wxMOUSE_BTN_LEFT) || evt.ButtonIsDown(wxMOUSE_BTN_MIDDLE) || evt.ButtonIsDown(wxMOUSE_BTN_RIGHT))
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)
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{
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m_MouseCaptured = false;
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ReleaseMouse();
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}
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// Set focus when clicking
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if (evt.ButtonDown())
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SetFocus();
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// Reject motion events if the mouse has not actually moved
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if (evt.Moving() || evt.Dragging())
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{
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if (m_LastMousePos == evt.GetPosition())
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return;
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m_LastMousePos = evt.GetPosition();
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}
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HandleMouseEvent(evt);
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}
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BEGIN_EVENT_TABLE(Canvas, wxGLCanvas)
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EVT_SIZE(Canvas::OnResize)
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EVT_LEFT_DOWN (Canvas::OnMouse)
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EVT_LEFT_UP (Canvas::OnMouse)
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EVT_RIGHT_DOWN (Canvas::OnMouse)
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EVT_RIGHT_UP (Canvas::OnMouse)
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EVT_MIDDLE_DOWN(Canvas::OnMouse)
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EVT_MIDDLE_UP (Canvas::OnMouse)
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EVT_MOUSEWHEEL (Canvas::OnMouse)
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EVT_MOTION (Canvas::OnMouse)
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EVT_MOUSE_CAPTURE_CHANGED(Canvas::OnMouseCapture)
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END_EVENT_TABLE()
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