void ArrangeAlignment::UpdateState()
{
// update target
CGadgetID Target = ReadRadioGroup(TargetArea,TargetArea[0]);
if (Target == _R(IDC_ALIGNDIALOG_TOSELECTION))
{
Align.target=ToSelection;
}
else if (Target == _R(IDC_ALIGNDIALOG_TOPAGE))
{
Align.target=ToPage;
}
// WEBSTER-ranbirr-13/11/96
#ifndef WEBSTER
else if (Target == _R(IDC_ALIGNDIALOG_TOSPREAD))
{
Align.target=ToSpread;
}
#endif //webster
else
{
ERROR3("ArrangeAlignment::UpdateState() - unknown target");
}
// read alignments from horizontal and vertical combo boxes
Align.h = (AlignType)GetSelectedValueIndex(_R(IDC_ALIGNDIALOG_HORIZONTAL));
Align.v = (AlignType)GetSelectedValueIndex(_R(IDC_ALIGNDIALOG_VERTICAL));
// force the diagram to redraw
InvalidateGadget(_R(IDC_ALIGNDIALOG_DIAGRAM));
// set state of Apply button
INT32 NumObjs = 0;
if (Document::GetSelected())
NumObjs = GetApplication()->FindSelection()->Count();
BOOL ApplyButtonState = (NumObjs>0);
if (NumObjs==1 && Target==_R(IDC_ALIGNDIALOG_TOSELECTION)) ApplyButtonState = FALSE;
if (Align.h==AlignNone && Align.v==AlignNone) ApplyButtonState = FALSE;
EnableGadget(_R(IDOK),ApplyButtonState);
}
void RenderDemoDlg::RenderControl(ReDrawInfoType* ExtraInfo)
{
// Go get a render region
DocRect VirtualSize(-ExtraInfo->dx/2, -ExtraInfo->dy/2, ExtraInfo->dx/2, ExtraInfo->dy/2);
RenderRegion* pRender = CreateGRenderRegion(&VirtualSize, ExtraInfo);
if (pRender!=NULL)
{
DialogColourInfo RedrawColours; // Get a supplier for default dlg colours
// Render stuff in here
// Build a Linear fill attribute
LinearFillAttribute MyGradFill;
MyGradFill.Colour = DocColour(255, 255, 0);
MyGradFill.EndColour = DocColour(0, 255, 255);
MyGradFill.StartPoint = DocCoord(0, ExtraInfo->dy);
MyGradFill.EndPoint = DocCoord(ExtraInfo->dx, 0);
// Build a path
Path InkPath;
InkPath.Initialise(12,12);
InkPath.FindStartOfPath();
// Get the coords used to build a shape
INT32 dx = ExtraInfo->dx / 2;
INT32 dy = ExtraInfo->dy / 2;
INT32 Midx = ExtraInfo->dx / 4;
INT32 Midy = ExtraInfo->dy / 4;
// build a circle in the middle of the control
InkPath.InsertMoveTo(DocCoord(Midx, dy));
InkPath.InsertCurveTo(DocCoord(Midx+Midx/2, dy), DocCoord(dx, Midy+Midy/2), DocCoord(dx, Midy));
InkPath.InsertCurveTo(DocCoord(dx, Midy-Midy/2), DocCoord(Midx+Midx/2, 0), DocCoord(Midx, 0));
InkPath.InsertCurveTo(DocCoord(Midx-Midx/2, 0), DocCoord(0, Midy-Midy/2), DocCoord(0, Midy));
InkPath.InsertCurveTo(DocCoord(0, Midy+Midy/2), DocCoord(Midx-Midx/2, dy), DocCoord(Midx, dy));
InkPath.IsFilled = TRUE;
// A Grey colour [...hmmm, it's not a very grey grey any more... oragnge more like]
DocColour Grey(255,200,0);
// Render the attributes and the a rectangle
pRender->SaveContext();
pRender->SetLineColour(Grey);
// Draw a rectangle to fill in the background - Fill with Dialogue Background colour
DocRect DrawMe(0, 0, ExtraInfo->dx, ExtraInfo->dy);
pRender->SetFillColour(RedrawColours.DialogBack());
pRender->DrawRect(&VirtualSize);
// Draw some shapes and stuff
pRender->SetFillGeometry(&MyGradFill, FALSE);
pRender->DrawPath(&InkPath);
// Build a path
Path TriPath;
TriPath.Initialise(12,12);
TriPath.FindStartOfPath();
// build a circle in the middle of the control
TriPath.InsertMoveTo(VirtualSize.lo);
TriPath.InsertLineTo(DocCoord(VirtualSize.hi.x, VirtualSize.lo.y));
TriPath.InsertLineTo(DocCoord(0, VirtualSize.hi.y));
TriPath.InsertLineTo(VirtualSize.lo);
TriPath.IsFilled = TRUE;
LinearFillAttribute MyTriFill;
MyTriFill.Colour = ShowFirst ? First : Second;
MyTriFill.EndColour = DocColour(0,0,0);
MyTriFill.StartPoint = DocCoord(ExtraInfo->dx, 0);
MyTriFill.EndPoint = DocCoord(0, ExtraInfo->dy);
pRender->SetFillGeometry(&MyTriFill, FALSE);
pRender->DrawPath(&TriPath);
pRender->RestoreContext();
// Get rid of the render region
DestroyGRenderRegion(pRender);
}
// and animate it!
if (ShowFirst)
{
INT32 Red, Green, Blue;
First.GetRGBValue(&Red, &Green, &Blue);
if (Blue>0)
{
// Set the colour back again
Blue -= 10;
First.SetRGBValue(Red, Green, Blue);
// redraw it
InvalidateGadget(_R(IDC_REDRAW_ME));
}
}
else
{
// Set the colour back to how it was
First.SetRGBValue(255, 0, 250);
}
}
MsgResult RenderDemoDlg::Message(Msg* Message)
{
// See if it is for us
if (IS_OUR_DIALOG_MSG(Message))
{
// it is
DialogMsg* Msg = (DialogMsg*)Message;
// decide what to do
switch (Msg->DlgMsg)
{
// Create message
case DIM_CREATE :
break;
// Close and destroy the dialog
case DIM_COMMIT :
case DIM_CANCEL :
{
Close();
End();
break;
}
case DIM_LFT_BN_CLICKED :
{
// See which button was pressed
if (Msg->GadgetID == _R(IDC_REDRAWBTN))
{
// Toggle the colour
ShowFirst = ShowFirst ? FALSE : TRUE;
// invalidate the gadget with the picture in it
InvalidateGadget(_R(IDC_REDRAW_ME));
}
break;
}
case DIM_REDRAW :
{
// This is where all the redrawing is done
// Which control in the window is sending the redraw message (if there are many
// grdraw controls you can tell which is which from the Gadget ID
if (Msg->GadgetID == _R(IDC_REDRAW_ME))
{
// Draw the redraw_me control in here
// Render this control
RenderControl((ReDrawInfoType*) Msg->DlgMsgParam);
}
else
// there are no other controls that should get a redraw message ever
{
// give out an error in debug builds, ignore in retail builds
ERROR3("Got a redraw message for a control I don't know about");
break;
}
break;
}
default:
break;
}
// Return
return (DLG_EAT_IF_HUNGRY(Msg));
}
return OK;
}
