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Better factorization of the qt mouse handler for the sample qt+anttweakbar example. Now there is a separated file under wrap/qt with the mouse and keyboard event handler

This commit is contained in:
Paolo Cignoni 2012-02-02 06:48:40 +00:00
parent 00cf1d4df8
commit a12597eeac
5 changed files with 112 additions and 92 deletions
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103
apps/sample/trimesh_ant_qt/glwidget.cpp
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@ -42,42 +42,26 @@
#include <QtOpenGL> #include <QtOpenGL>
#include <math.h> #include <math.h>
#include "glwidget.h" #include "glwidget.h"
#include <wrap/qt/trackball.h> #include <wrap/qt/trackball.h>
#include <wrap/qt/anttweakbarMapper.h>
enum DrawMode{SMOOTH=0,POINTS,WIRE,FLATWIRE,HIDDEN,FLAT}; enum DrawMode{SMOOTH=vcg::GLW::DMSmooth, POINTS=vcg::GLW::DMPoints , WIRE, FLATWIRE,HIDDEN,FLAT};
TwBar *bar; TwBar *bar;
char * filename;/// filename of the mesh to load char * filename;/// filename of the mesh to load
CMesh mesh; /// the active mesh instance CMesh mesh; /// the active mesh instance
vcg::GlTrimesh<CMesh> glWrap; /// the active mesh opengl wrapper vcg::GlTrimesh<CMesh> glWrap; /// the active mesh opengl wrapper
vcg::Trackball track; /// the active manipulator vcg::Trackball track; /// the active manipulator
DrawMode drawmode; /// the current drawmode GLW::DrawMode drawmode=GLW::DMFlatWire; /// the current drawmode
void initMesh(QString message); /// mesh data structure initializer
void TW_CALL CopyCDStringToClient(char **destPtr, const char *src)
{
size_t srcLen = (src!=NULL) ? strlen(src) : 0;
size_t destLen = (*destPtr!=NULL) ? strlen(*destPtr) : 0;
// Alloc or realloc dest memory block if needed
if( *destPtr==NULL )
*destPtr = (char *)malloc(srcLen+1);
else if( srcLen>destLen )
*destPtr = (char *)realloc(*destPtr, srcLen+1);
// Copy src
if( srcLen>0 )
strncpy(*destPtr, src, srcLen);
(*destPtr)[srcLen] = '\0'; // null-terminated string
}
void TW_CALL loadTetrahedron(void *){ void TW_CALL loadTetrahedron(void *){
vcg::tri::Tetrahedron(mesh); vcg::tri::Tetrahedron(mesh);
vcg::tri::UpdateBounding<CMesh>::Box(mesh);
vcg::tri::UpdateNormals<CMesh>::PerVertexNormalizedPerFace(mesh);
vcg::tri::UpdateNormals<CMesh>::PerFaceNormalized(mesh);
glWrap.m = &mesh; glWrap.m = &mesh;
glWrap.Update(); glWrap.Update();
} }
void TW_CALL loadMesh(void *) void TW_CALL loadMesh(void *)
@ -89,7 +73,6 @@ void TW_CALL loadMesh(void *)
vcg::tri::UpdateBounding<CMesh>::Box(mesh); vcg::tri::UpdateBounding<CMesh>::Box(mesh);
vcg::tri::UpdateNormals<CMesh>::PerVertexNormalizedPerFace(mesh); vcg::tri::UpdateNormals<CMesh>::PerVertexNormalizedPerFace(mesh);
vcg::tri::UpdateNormals<CMesh>::PerFaceNormalized(mesh); vcg::tri::UpdateNormals<CMesh>::PerFaceNormalized(mesh);
// Initialize the opengl wrapper
glWrap.m = &mesh; glWrap.m = &mesh;
glWrap.Update(); glWrap.Update();
} }
@ -108,17 +91,12 @@ GLWidget::GLWidget(QWidget *parent)
TwAddButton(bar,"Use tetrahedron",loadTetrahedron,0, " label='Make Tetrahedron' group=SetMesh help=`use tetrahedron.` "); TwAddButton(bar,"Use tetrahedron",loadTetrahedron,0, " label='Make Tetrahedron' group=SetMesh help=`use tetrahedron.` ");
// ShapeEV associates Shape enum values with labels that will be displayed instead of enum values // ShapeEV associates Shape enum values with labels that will be displayed instead of enum values
TwEnumVal drawmodes[6] = { {SMOOTH, "Smooth"}, {POINTS, "Per Points"}, {WIRE, "Wire"}, {FLATWIRE, "FlatWire"},{HIDDEN, "Hidden"},{FLAT, "Flat"}}; TwEnumVal drawmodes[6] = { {GLW::DMSmooth, "Smooth"}, {GLW::DMPoints, "Per Points"}, {GLW::DMWire, "Wire"}, {GLW::DMFlatWire, "FlatWire"},{GLW::DMHidden, "Hidden"},{GLW::DMFlat, "Flat"}};
// Create a type for the enum shapeEV // Create a type for the enum shapeEV
TwType drawMode = TwDefineEnum("DrawMode", drawmodes, 6); TwType drawMode = TwDefineEnum("DrawMode", drawmodes, 6);
// add 'g_CurrentShape' to 'bar': this is a variable of type ShapeType. Its key shortcuts are [<] and [>]. // add 'g_CurrentShape' to 'bar': this is a variable of type ShapeType. Its key shortcuts are [<] and [>].
TwAddVarRW(bar, "Draw Mode", drawMode, &drawmode, " keyIncr='<' keyDecr='>' help='Change draw mode.' "); TwAddVarRW(bar, "Draw Mode", drawMode, &drawmode, " keyIncr='<' keyDecr='>' help='Change draw mode.' ");
} }
GLWidget::~GLWidget() { }
QSize GLWidget::sizeHint() const
{
return QSize(800, 600);
}
void GLWidget::initializeGL () void GLWidget::initializeGL ()
{ {
@ -157,17 +135,7 @@ void GLWidget::paintGL ()
float d=1.0f/mesh.bbox.Diag(); float d=1.0f/mesh.bbox.Diag();
vcg::glScale(d); vcg::glScale(d);
glTranslate(-mesh.bbox.Center()); glTranslate(-mesh.bbox.Center());
// the trimesh drawing calls glWrap.Draw(GLW::DrawMode(drawmode),GLW::CMNone,GLW::TMNone);
switch(drawmode)
{
case SMOOTH: glWrap.Draw<vcg::GLW::DMSmooth, vcg::GLW::CMNone,vcg::GLW::TMNone> (); break;
case POINTS: glWrap.Draw<vcg::GLW::DMPoints, vcg::GLW::CMNone,vcg::GLW::TMNone> (); break;
case WIRE: glWrap.Draw<vcg::GLW::DMWire, vcg::GLW::CMNone,vcg::GLW::TMNone> (); break;
case FLATWIRE: glWrap.Draw<vcg::GLW::DMFlatWire, vcg::GLW::CMNone,vcg::GLW::TMNone> (); break;
case HIDDEN: glWrap.Draw<vcg::GLW::DMHidden, vcg::GLW::CMNone,vcg::GLW::TMNone> (); break;
case FLAT: glWrap.Draw<vcg::GLW::DMFlat, vcg::GLW::CMNone,vcg::GLW::TMNone> (); break;
default: break;
}
} }
glPopMatrix(); glPopMatrix();
track.DrawPostApply(); track.DrawPostApply();
@ -183,44 +151,6 @@ void GLWidget::keyReleaseEvent (QKeyEvent * e)
updateGL (); updateGL ();
} }
int TwKeyPressedQt(QKeyEvent *e)
{
int kmod = 0;
if(e->modifiers() & Qt::ShiftModifier ) kmod |= TW_KMOD_SHIFT;
if(e->modifiers() & Qt::ControlModifier ) kmod |= TW_KMOD_CTRL;
if(e->modifiers() & Qt::AltModifier ) kmod |= TW_KMOD_ALT;
int key = e->key();
int k = 0;
if( key>0 && key<0x7e ) k=key; // plain ascii codes
if( key>=Qt::Key_F1 && key<=Qt::Key_F12 )
k = TW_KEY_F1 + (key-Qt::Key_F1 );
else
{
switch( key )
{
case Qt::Key_Left: k = TW_KEY_LEFT; break;
case Qt::Key_Up: k = TW_KEY_UP; break;
case Qt::Key_Right: k = TW_KEY_RIGHT; break;
case Qt::Key_Down: k = TW_KEY_DOWN; break;
case Qt::Key_PageUp: k = TW_KEY_PAGE_UP; break;
case Qt::Key_PageDown: k = TW_KEY_PAGE_DOWN; break;
case Qt::Key_Home: k = TW_KEY_HOME; break;
case Qt::Key_End: k = TW_KEY_END; break;
case Qt::Key_Insert: k = TW_KEY_INSERT; break;
case Qt::Key_Backspace: k = TW_KEY_BACKSPACE; break;
case Qt::Key_Delete: k = TW_KEY_DELETE; break;
case Qt::Key_Return: k = TW_KEY_RETURN; break;
case Qt::Key_Enter: k = TW_KEY_RETURN; break;
case Qt::Key_Escape: k = TW_KEY_ESCAPE; break;
case Qt::Key_Tab: k = TW_KEY_TAB; break;
}
}
return TwKeyPressed(k, kmod);
}
void GLWidget::keyPressEvent (QKeyEvent * e) void GLWidget::keyPressEvent (QKeyEvent * e)
{ {
@ -229,25 +159,18 @@ void GLWidget::keyPressEvent (QKeyEvent * e)
if (e->key () == Qt::Key_Shift) track.ButtonDown (QT2VCG (Qt::NoButton, Qt::ShiftModifier)); if (e->key () == Qt::Key_Shift) track.ButtonDown (QT2VCG (Qt::NoButton, Qt::ShiftModifier));
if (e->key () == Qt::Key_Alt) track.ButtonDown (QT2VCG (Qt::NoButton, Qt::AltModifier)); if (e->key () == Qt::Key_Alt) track.ButtonDown (QT2VCG (Qt::NoButton, Qt::AltModifier));
TwKeyPressedQt(e); TwKeyPressQt(e);
updateGL (); updateGL ();
} }
TwMouseButtonID Qt2TwMouseButtonId(QMouseEvent *e)
{
if(e->button() && Qt::LeftButton) return TW_MOUSE_LEFT;
if(e->button() && Qt::MidButton) return TW_MOUSE_MIDDLE;
if(e->button() && Qt::RightButton) return TW_MOUSE_RIGHT;
assert(0);
}
void GLWidget::mousePressEvent (QMouseEvent * e) void GLWidget::mousePressEvent (QMouseEvent * e)
{ {
if(!TwMousePressQt(e))
{
e->accept (); e->accept ();
setFocus (); setFocus ();
track.MouseDown (e->x (), height () - e->y (), QT2VCG (e->button (), e->modifiers ())); track.MouseDown (e->x (), height () - e->y (), QT2VCG (e->button (), e->modifiers ()));
TwMouseMotion(e->x (), e->y ()); }
TwMouseButton(TW_MOUSE_PRESSED, Qt2TwMouseButtonId(e));
updateGL (); updateGL ();
} }
@ -263,7 +186,7 @@ void GLWidget::mouseMoveEvent (QMouseEvent * e)
void GLWidget::mouseReleaseEvent (QMouseEvent * e) void GLWidget::mouseReleaseEvent (QMouseEvent * e)
{ {
track.MouseUp (e->x (), height () - e->y (), QT2VCG (e->button (), e->modifiers ())); track.MouseUp (e->x (), height () - e->y (), QT2VCG (e->button (), e->modifiers ()));
TwMouseButton(TW_MOUSE_RELEASED, Qt2TwMouseButtonId(e)); TwMouseReleaseQt(e);
updateGL (); updateGL ();
} }

7
apps/sample/trimesh_ant_qt/glwidget.h
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@ -75,9 +75,12 @@ class GLWidget : public QGLWidget
public: public:
GLWidget(QWidget *parent = 0); GLWidget(QWidget *parent = 0);
~GLWidget();
QSize sizeHint() const; ~GLWidget() {};
QSize sizeHint() const {
return QSize(800, 600);
};
protected: protected:
void initializeGL(); void initializeGL();

1
apps/sample/trimesh_ant_qt/trimesh_ant_qt.pro
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@ -19,6 +19,7 @@ INCLUDEPATH += $$ANTDIR/include
SOURCES += $$VCGLIBDIR/wrap/ply/plylib.cpp SOURCES += $$VCGLIBDIR/wrap/ply/plylib.cpp
SOURCES += $$VCGLIBDIR/wrap/gui/trackball.cpp SOURCES += $$VCGLIBDIR/wrap/gui/trackball.cpp
SOURCES += $$VCGLIBDIR/wrap/gui/trackmode.cpp SOURCES += $$VCGLIBDIR/wrap/gui/trackmode.cpp
SOURCES += $$VCGLIBDIR/wrap/qt/anttweakbarMapper.cpp
# Awful problem with windows.. # Awful problem with windows..

82
wrap/qt/anttweakbarMapper.cpp Normal file
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@ -0,0 +1,82 @@
#include <QtGui>
#include <QWidget>
#include <AntTweakBar.h>
void TW_CALL CopyCDStringToClient(char **destPtr, const char *src)
{
size_t srcLen = (src!=NULL) ? strlen(src) : 0;
size_t destLen = (*destPtr!=NULL) ? strlen(*destPtr) : 0;
// Alloc or realloc dest memory block if needed
if( *destPtr==NULL )
*destPtr = (char *)malloc(srcLen+1);
else if( srcLen>destLen )
*destPtr = (char *)realloc(*destPtr, srcLen+1);
// Copy src
if( srcLen>0 )
strncpy(*destPtr, src, srcLen);
(*destPtr)[srcLen] = '\0'; // null-terminated string
}
TwMouseButtonID Qt2TwMouseButtonId(QMouseEvent *e)
{
if(e->button() && Qt::LeftButton) return TW_MOUSE_LEFT;
if(e->button() && Qt::MidButton) return TW_MOUSE_MIDDLE;
if(e->button() && Qt::RightButton) return TW_MOUSE_RIGHT;
return TW_MOUSE_LEFT;
// assert(0);
}
int TwMousePressQt(QMouseEvent *e)
{
TwMouseMotion(e->x (), e->y ());
return TwMouseButton(TW_MOUSE_PRESSED, Qt2TwMouseButtonId(e));
}
int TwMouseReleaseQt(QMouseEvent *e)
{
TwMouseMotion(e->x (), e->y ());
return TwMouseButton(TW_MOUSE_RELEASED, Qt2TwMouseButtonId(e));
}
int TwKeyPressQt(QKeyEvent *e)
{
int kmod = 0;
if(e->modifiers() & Qt::ShiftModifier ) kmod |= TW_KMOD_SHIFT;
if(e->modifiers() & Qt::ControlModifier ) kmod |= TW_KMOD_CTRL;
if(e->modifiers() & Qt::AltModifier ) kmod |= TW_KMOD_ALT;
int key = e->key();
int k = 0;
if( key>0 && key<0x7e ) k=key; // plain ascii codes
if( key>=Qt::Key_F1 && key<=Qt::Key_F12 )
k = TW_KEY_F1 + (key-Qt::Key_F1 );
else
{
switch( key )
{
case Qt::Key_Left: k = TW_KEY_LEFT; break;
case Qt::Key_Up: k = TW_KEY_UP; break;
case Qt::Key_Right: k = TW_KEY_RIGHT; break;
case Qt::Key_Down: k = TW_KEY_DOWN; break;
case Qt::Key_PageUp: k = TW_KEY_PAGE_UP; break;
case Qt::Key_PageDown: k = TW_KEY_PAGE_DOWN; break;
case Qt::Key_Home: k = TW_KEY_HOME; break;
case Qt::Key_End: k = TW_KEY_END; break;
case Qt::Key_Insert: k = TW_KEY_INSERT; break;
case Qt::Key_Backspace: k = TW_KEY_BACKSPACE; break;
case Qt::Key_Delete: k = TW_KEY_DELETE; break;
case Qt::Key_Return: k = TW_KEY_RETURN; break;
case Qt::Key_Enter: k = TW_KEY_RETURN; break;
case Qt::Key_Escape: k = TW_KEY_ESCAPE; break;
case Qt::Key_Tab: k = TW_KEY_TAB; break;
}
}
return TwKeyPressed(k, kmod);
}

11
wrap/qt/anttweakbarMapper.h Normal file
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@ -0,0 +1,11 @@
#ifndef ANTTWEAKBARMAPPER_H
#define ANTTWEAKBARMAPPER_H
void TW_CALL CopyCDStringToClient(char **destPtr, const char *src);
TwMouseButtonID Qt2TwMouseButtonId(QMouseEvent *e);
int TwMousePressQt(QMouseEvent *e);
int TwMouseReleaseQt(QMouseEvent *e);
int TwKeyPressQt(QKeyEvent *e);
#endif // ANTTWEAKBARMAPPER_H