void TreeTest::MouseMove(Point pos, dword flags)
{
// always show cursor position
ShowCoords(pos);
// Layer* pLayer;
if(m_bPan)
{
Pointf pt = LPtoMP(pos) - m_ptPan;
m_rcBnds -= pt;
ViewDraw w(this);
w.DrawRect(GetSize(),SWhite);
w.DrawImage(pos.x-m_ptPanLP.x,pos.y-m_ptPanLP.y,m_view);
// if(m_optionGrid.GetData())
// {
DrawGrid(w);
// }
}
}
void
ButtonReleaseAction(Graph *graph, XButtonReleasedEvent *buttonevent)
{
int button;
int sx2, sy2;
int sx1, sy1;
float x1, y1, x2, y2;
button = buttonevent->button;
sx2 = buttonevent->x;
sy2 = buttonevent->y;
switch (ButtonMode())
{
case DATAMODE:
switch (button)
{
case 1: /* zoom box */
/*
* mark the end of the drag and zoom
*/
graph->dragx2 = sx2;
graph->dragy2 = sy2;
WorldTransform(graph, graph->dragx1, graph->dragy1, &x1, &y1);
WorldTransform(graph, graph->dragx2, graph->dragy2, &x2, &y2);
/*
* Don't perform a zero scale action.
*/
if (x2 == x1 || y2 == y1)
return;
if (x2 > x1)
{
graph->wxmin = x1;
graph->wxmax = x2;
}
else
{
graph->wxmin = x2;
graph->wxmax = x1;
}
if (y2 > y1)
{
graph->wymin = y1;
graph->wymax = y2;
}
else
{
graph->wymin = y2;
graph->wymax = y1;
}
ScaleAndRefreshGraph(graph);
/*
* set the drag coords back to the invalid state
*/
graph->dragx1 = -1;
graph->dragx2 = -1;
break;
case 2: /* ruler line */
/*
* get the world coordinates of the starting point
*/
x1 = graph->dragwx1;
y1 = graph->dragwy1;
if (sx2 != graph->dragx1 || sy2 != graph->dragy1)
{
if (snapmode)
{
/*
* display the final coords
*/
Snap(graph, sx2, sy2, &x2, &y2);
/*
* compute the screen coordinate of the data point
*/
ScreenTransform(graph, x2, y2, &sx1, &sy1);
ShowCoords((BasicWindow *)graph, sx1, sy1, x2, y2);
}
else
{
/*
* display the final coords
*/
WorldTransform(graph, sx2, sy2, &x2, &y2);
ShowCoords((BasicWindow *)graph, sx2, sy2, x2, y2);
}
ClearWindow((BasicWindow *)graph->frame->text);
ShowSlope((BasicWindow *)graph->frame->text,
0, graph->fontheight,
x1, y1, x2, y2);
AddLabelLine((BasicWindow *)graph, 0, 0, 0, 0,
x1, y1, x2, y2, WORLD_LBL, TEMPORARY_LBL);
}
/*
* set the drag coords back to the invalid state
*/
graph->dragx1 = -1;
graph->dragx2 = -1;
break;
case 3: /* drag line */
/*
* erase the old line
*/
EraseSuperLine((BasicWindow *)graph, graph->dragx2,
graph->dragy1, graph->dragx2, graph->dragy2);
/*
* get the coords
*/
Snap(graph, sx2, sy2, &x2, &y2);
ShowCoords((BasicWindow *)graph,
graph->dragx2, graph->dragy2, x2, y2);
graph->dragx1 = -1;
graph->dragx2 = -1;
break;
}
break;
case DRAWMODE:
switch (button)
{
case 1: /* draw line */
/*
* mark the end of the drag and zoom
*/
graph->dragx2 = sx2;
graph->dragy2 = sy2;
WorldTransform(graph, graph->dragx1, graph->dragy1, &x1, &y1);
WorldTransform(graph, graph->dragx2, graph->dragy2, &x2, &y2);
/*
* draw a line between the points
*/
AddLabelLine((BasicWindow *)graph,
0, 0, 0, 0,
x1, y1, x2, y2, WORLD_LBL, TEMPORARY_LBL);
/*
* set the drag coords back to the invalid state
*/
graph->dragx1 = -1;
graph->dragx2 = -1;
break;
}
break;
}
}
void
ButtonPressAction(Graph *graph, XButtonPressedEvent *buttonevent)
{
float x, y;
int sx1, sy1;
int sx2, sy2;
int button;
sx1 = buttonevent->x;
sy1 = buttonevent->y;
button = buttonevent->button;
switch (ButtonMode())
{
case DATAMODE:
switch (button)
{
case 1:
/*
* mark the start of the drag location
*/
graph->dragx1 = sx1;
graph->dragy1 = sy1;
break;
case 2:
ClearWindow((BasicWindow *)graph->frame->text);
if (snapmode)
{
/*
* world coord xy readout of data
*/
Snap(graph, sx1, sy1, &x, &y);
/*
* get the screen coords of the data point
*/
ScreenTransform(graph, x, y, &sx2, &sy2);
ShowCoords((BasicWindow *)graph, sx2, sy2, x, y);
/*
* mark the start of the drag location
*/
graph->dragx1 = sx2;
graph->dragy1 = sy2;
}
else
{
/*
* world coord xy readout of cursor location
*/
WorldTransform(graph, sx1, sy1, &x, &y);
ShowCoords((BasicWindow *)graph, sx1, sy1, x, y);
/*
* mark the start of the drag location
*/
graph->dragx1 = sx1;
graph->dragy1 = sy1;
}
graph->dragwx1 = x;
graph->dragwy1 = y;
break;
case 3:
/*
* world coord xy readout closest above point
*/
Snap(graph, sx1, sy1, &x, &y);
/*
* draw a line to the point on the plot (sx2, sy2)
*/
ScreenTransform(graph, x, y, &sx2, &sy2);
/* avoid writing on the last pixel */
if (sy2 > sy1)
{
sy2 -= 1;
}
else
{
sy2 += 1;
}
graph->dragx1 = sx1;
graph->dragy1 = sy1;
graph->dragx2 = sx2;
graph->dragy2 = sy2;
DrawSuperLine((BasicWindow *)graph, sx2, sy1, sx2, sy2);
ClearWindow((BasicWindow *)graph->frame->text);
NBShowCoords((BasicWindow *)graph->frame->text,
0, graph->fontheight, x, y);
}
break;
case DRAWMODE:
switch (button)
{
case 1:
/*
* mark the start of the line
*/
graph->dragx1 = sx1;
graph->dragy1 = sy1;
WorldTransform(graph, sx1, sy1, &x, &y);
graph->dragwx1 = x;
graph->dragwy1 = y;
break;
}
break;
case ZAPMODE:
switch (button)
{
case 1:
/*
* delete the label
*/
ZapLabel(graph, (XKeyEvent *)buttonevent);
break;
}
break;
case PINCHMODE:
switch (button)
{
case 1:
/*
* offset the plots
*/
OffsetPlotGraphically(graph, buttonevent->x, buttonevent->y, 0);
break;
}
break;
}
}