kindred/create
1
1
Fork 0
Code Issues 37 Pull Requests Actions Packages Projects 9 Releases 2 Wiki Activity

MeasureDistance

Browse Source 
- Abort mode via ESCAPE added

BoxZoom, BoxSelection and BoxElementSelection
- Change the cursor to give the user feedback about active mode.
- Abort mode via ESCAPE
This commit is contained in:
uLeonis
2020-12-21 17:32:14 +01:00
parent 3b449e1ce9
commit 96f2ba2cb5
10 changed files with 299 additions and 45 deletions
Download Patch File Download Diff File Expand all files Collapse all files

235
src/Gui/CommandView.cpp
View File

@@ -61,6 +61,7 @@
#include "SoFCBoundingBox.h"
#include "SoFCUnifiedSelection.h"
#include "SoAxisCrossKit.h"
#include "SoQTQuarterAdaptor.h"
#include "View3DInventor.h"
#include "View3DInventorViewer.h"
#include "ViewParams.h"
@@ -2537,10 +2538,137 @@ bool StdViewZoomOut::isActive(void)
{
return (qobject_cast<View3DInventor*>(getMainWindow()->activeWindow()));
}
class SelectionCallbackHandler {
private:
static std::unique_ptr<SelectionCallbackHandler> _currentSelectionHandler;
QCursor* _beforeSelectionCursor;
typedef void (*FnCb)(void * userdata, SoEventCallback * node);
FnCb fnCb;
void* _userData;
bool _prevSelectionEn;
public:
// Creates a selection handler used to implement the common behaviour of BoxZoom, BoxSelection and BoxElementSelection.
// Takes the viewer, a selection mode, a cursor, a function pointer to be called on success and a void pointer for user data to be passed to the given function.
// The selection handler class stores all necessary previous states, registers a event callback and starts the selection in the given mode.
// If there is still a selection handler active, this call will generate a message and returns.
static void Create(View3DInventorViewer* viewer, View3DInventorViewer::SelectionMode selectionMode, const QCursor& cursor, FnCb doFunction= NULL, void* ud=NULL)
{
if (_currentSelectionHandler)
{
Base::Console().Message("SelectionCallbackHandler: A selection handler already active.");
return;
}
_currentSelectionHandler = std::unique_ptr<SelectionCallbackHandler>(new SelectionCallbackHandler());
if (viewer)
{
_currentSelectionHandler->_userData = ud;
_currentSelectionHandler->fnCb = doFunction;
_currentSelectionHandler->_beforeSelectionCursor = new QCursor(viewer->cursor());
viewer->setEditingCursor(cursor);
viewer->addEventCallback(SoEvent::getClassTypeId(),
SelectionCallbackHandler::selectionCallback, _currentSelectionHandler.get());
_currentSelectionHandler->_prevSelectionEn = viewer->isSelectionEnabled();
viewer->setSelectionEnabled(false);
viewer->startSelection(selectionMode);
}
};
void* getUserData() { return _userData; };
// Implements the event handler. In the normal case the provided function is called.
// Also supports aborting the selection mode by pressing (releasing) the Escape key.
static void selectionCallback(void * ud, SoEventCallback * n)
{
SelectionCallbackHandler* selectionHandler = reinterpret_cast<SelectionCallbackHandler*>(ud);
Gui::View3DInventorViewer* view = reinterpret_cast<Gui::View3DInventorViewer*>(n->getUserData());
const SoEvent* ev = n->getEvent();
if (ev->isOfType(SoKeyboardEvent::getClassTypeId())) {
n->setHandled();
n->getAction()->setHandled();
const SoKeyboardEvent * ke = static_cast<const SoKeyboardEvent*>(ev);
const SbBool press = ke->getState() == SoButtonEvent::DOWN ? true : false;
if (ke->getKey() == SoKeyboardEvent::ESCAPE) {
if (!press) {
view->abortSelection();
restoreState(selectionHandler, view);
}
}
}
else if (ev->isOfType(SoMouseButtonEvent::getClassTypeId())) {
const SoMouseButtonEvent * mbe = static_cast<const SoMouseButtonEvent*>(ev);
// Mark all incoming mouse button events as handled, especially, to deactivate the selection node
n->getAction()->setHandled();
if (mbe->getButton() == SoMouseButtonEvent::BUTTON1 && mbe->getState() == SoButtonEvent::UP)
{
if (selectionHandler && selectionHandler->fnCb) selectionHandler->fnCb(selectionHandler->getUserData(), n);
restoreState(selectionHandler, view);
}
// No other mouse events available from Coin3D to implement right mouse up abort
}
}
static void restoreState(SelectionCallbackHandler * selectionHandler, View3DInventorViewer* view)
{
if(selectionHandler) selectionHandler->fnCb = NULL;
view->setEditingCursor(*selectionHandler->_beforeSelectionCursor);
view->removeEventCallback(SoEvent::getClassTypeId(), SelectionCallbackHandler::selectionCallback, selectionHandler);
view->setSelectionEnabled(selectionHandler->_prevSelectionEn);
Application::Instance->commandManager().testActive();
_currentSelectionHandler = NULL;
}
};
std::unique_ptr<SelectionCallbackHandler> SelectionCallbackHandler::_currentSelectionHandler = std::unique_ptr<SelectionCallbackHandler>();
//===========================================================================
// Std_ViewBoxZoom
//===========================================================================
/* XPM */
static const char * cursor_box_zoom[] = {
"32 32 3 1",
" c None",
". c #FFFFFF",
"@ c #FF0000",
" . ",
" . ",
" . ",
" . ",
" . ",
" ",
"..... ..... ",
" ",
" . @@@@@@@ ",
" . @@@@@@@@@@@ ",
" . @@ @@ ",
" . @@. . . . . .@@ ",
" . @ @ ",
" @@ . . @@ ",
" @@ @@ ",
" @@ . . @@ ",
" @@ @@ ",
" @@ . . @@ ",
" @@ @@ ",
" @@ . . @@ ",
" @ @ ",
" @@. . . . . .@@@ ",
" @@ @@@@ ",
" @@@@@@@@@@@@ @@ ",
" @@@@@@@ @@ @@ ",
" @@ @@ ",
" @@ @@ ",
" @@ @@ ",
" @@ @@ ",
" @@@@ ",
" @@ ",
" " };
DEF_3DV_CMD(StdViewBoxZoom)
StdViewBoxZoom::StdViewBoxZoom()
@@ -2564,8 +2692,9 @@ void StdViewBoxZoom::activated(int iMsg)
View3DInventor* view = qobject_cast<View3DInventor*>(getMainWindow()->activeWindow());
if ( view ) {
View3DInventorViewer* viewer = view->getViewer();
if (!viewer->isSelecting())
viewer->startSelection(View3DInventorViewer::BoxZoom);
if (!viewer->isSelecting()) {
SelectionCallbackHandler::Create(viewer, View3DInventorViewer::BoxZoom, QCursor(QPixmap(cursor_box_zoom), 7, 7));
}
}
}
@@ -2574,6 +2703,46 @@ void StdViewBoxZoom::activated(int iMsg)
//===========================================================================
DEF_3DV_CMD(StdBoxSelection)
/* XPM */
static const char * cursor_box_select[] = {
"32 32 4 1",
" c None",
". c #FFFFFF",
"+ c #FF0000",
"@ c #000000",
" . ",
" . ",
" . ",
" . ",
" . ",
" ",
"..... ..... ",
" ",
" . ",
" . ",
" . + +++ +++ +++ ",
" . +@@ ",
" . +@.@@@ ",
" @...@@@ ",
" @......@@ ",
" @........@@@ + ",
" @..........@@ + ",
" + @............@ + ",
" + @........@@@ ",
" + @.......@ ",
" @........@ ",
" @........@ + ",
" @...@.....@ + ",
" + @..@ @.....@ + ",
" + @.@ @.....@ ",
" + @.@ @.....@ ",
" @ @.....@ ",
" @...@ ",
" @.@ + ",
" @ + ",
" +++ +++ +++ + ",
" " };
StdBoxSelection::StdBoxSelection()
: Command("Std_BoxSelection")
{
@@ -2714,18 +2883,18 @@ static std::vector<std::string> getBoxSelection(
return ret;
}
static void selectionCallback(void * ud, SoEventCallback * cb)
static void doSelect(void* ud, SoEventCallback * cb)
{
bool selectElement = ud?true:false;
Gui::View3DInventorViewer* view = reinterpret_cast<Gui::View3DInventorViewer*>(cb->getUserData());
view->removeEventCallback(SoMouseButtonEvent::getClassTypeId(), selectionCallback, ud);
SoNode* root = view->getSceneGraph();
bool selectElement = ud ? true : false;
Gui::View3DInventorViewer* viewer = reinterpret_cast<Gui::View3DInventorViewer*>(cb->getUserData());
SoNode* root = viewer->getSceneGraph();
static_cast<Gui::SoFCUnifiedSelection*>(root)->selectionRole.setValue(true);
SelectionMode selectionMode = CENTER;
std::vector<SbVec2f> picked = view->getGLPolygon();
SoCamera* cam = view->getSoRenderManager()->getCamera();
std::vector<SbVec2f> picked = viewer->getGLPolygon();
SoCamera* cam = viewer->getSoRenderManager()->getCamera();
SbViewVolume vv = cam->getViewVolume();
Gui::ViewVolumeProjection proj(vv);
Base::Polygon2d polygon;
@@ -2785,8 +2954,7 @@ void StdBoxSelection::activated(int iMsg)
SoKeyboardEvent ev;
viewer->navigationStyle()->processEvent(&ev);
}
viewer->startSelection(View3DInventorViewer::Rubberband);
viewer->addEventCallback(SoMouseButtonEvent::getClassTypeId(), selectionCallback);
SelectionCallbackHandler::Create(viewer, View3DInventorViewer::Rubberband, QCursor(QPixmap(cursor_box_select), 7, 7), doSelect, NULL);
SoNode* root = viewer->getSceneGraph();
static_cast<Gui::SoFCUnifiedSelection*>(root)->selectionRole.setValue(false);
}
@@ -2796,6 +2964,48 @@ void StdBoxSelection::activated(int iMsg)
//===========================================================================
// Std_BoxElementSelection
//===========================================================================
/* XPM */
static char * cursor_box_element_select[] = {
"32 32 6 1",
" c None",
". c #FFFFFF",
"+ c #00FF1B",
"@ c #19A428",
"# c #FF0000",
"$ c #000000",
" . ",
" . ",
" . ",
" . ",
" . ",
" ",
"..... ..... ",
" ++++++++++++ ",
" .+@@@@@@@@@@+ ",
" .+@@@@@@@@@@+ ",
" .+@@#@@@@###+ ### ### ",
" .+@@#$$@@@@@+ ",
" .+@@#$.$$$@@+ ",
" +@@@@$...$$$ ",
" +@@@@$......$$ ",
" +@@@@$........$$$ # ",
" +@@@@@$..........$$ # ",
" +@@#@@$............$ # ",
" +++#+++$........$$$ ",
" # $.......$ ",
" $........$ ",
" $........$ # ",
" $...$.....$ # ",
" # $..$ $.....$ # ",
" # $.$ $.....$ ",
" # $.$ $.....$ ",
" $ $.....$ ",
" $...$ ",
" $.$ # ",
" $ # ",
" ### ### ### # ",
" " };
DEF_3DV_CMD(StdBoxElementSelection)
StdBoxElementSelection::StdBoxElementSelection()
@@ -2827,8 +3037,7 @@ void StdBoxElementSelection::activated(int iMsg)
SoKeyboardEvent ev;
viewer->navigationStyle()->processEvent(&ev);
}
viewer->startSelection(View3DInventorViewer::Rubberband);
viewer->addEventCallback(SoMouseButtonEvent::getClassTypeId(), selectionCallback, this);
SelectionCallbackHandler::Create(viewer, View3DInventorViewer::Rubberband, QCursor(QPixmap(cursor_box_element_select), 7, 7), doSelect, this);
SoNode* root = viewer->getSceneGraph();
static_cast<Gui::SoFCUnifiedSelection*>(root)->selectionRole.setValue(false);
}