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|
/*
* Copyright(c) 1992 Bell Communications Research, Inc. (Bellcore)
* Copyright(c) 1995-99 Andrew Lister
* All rights reserved
* Permission to use, copy, modify and distribute this material for
* any purpose and without fee is hereby granted, provided that the
* above copyright notice and this permission notice appear in all
* copies, and that the name of Bellcore not be used in advertising
* or publicity pertaining to this material without the specific,
* prior written permission of an authorized representative of
* Bellcore.
*
* BELLCORE MAKES NO REPRESENTATIONS AND EXTENDS NO WARRANTIES, EX-
* PRESS OR IMPLIED, WITH RESPECT TO THE SOFTWARE, INCLUDING, BUT
* NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR ANY PARTICULAR PURPOSE, AND THE WARRANTY AGAINST IN-
* FRINGEMENT OF PATENTS OR OTHER INTELLECTUAL PROPERTY RIGHTS. THE
* SOFTWARE IS PROVIDED "AS IS", AND IN NO EVENT SHALL BELLCORE OR
* ANY OF ITS AFFILIATES BE LIABLE FOR ANY DAMAGES, INCLUDING ANY
* LOST PROFITS OR OTHER INCIDENTAL OR CONSEQUENTIAL DAMAGES RELAT-
* ING TO THE SOFTWARE.
*
* $Id: Shadow.c,v 1.1 2001-07-18 11:06:00 root Exp $
*/
/*
* Shadow.c created by Andrew Lister (30 October, 1995)
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <Xm/Xm.h>
#include <Xm/XmP.h>
#if XmVersion > 1001
#include <Xm/DrawP.h>
#endif
#include "MatrixP.h"
#include "Shadow.h"
#include "Draw.h"
#include "Utils.h"
static void DrawRowShadow P((XbaeMatrixWidget, Window, int, int, int,
int, int, int, GC, GC));
static void DrawColumnShadow P((XbaeMatrixWidget, Window, int, int, int,
int, int, int, GC, GC));
static void DrawRowHighlight P((XbaeMatrixWidget, Window, GC, int, int,
int, int, int, int, int));
static void DrawColumnHighlight P((XbaeMatrixWidget, Window, GC, int,
int, int, int, int, int, int));
void
#if NeedFunctionPrototypes
xbaeDrawCellShadow(XbaeMatrixWidget mw, Window win, int row, int column, int x,
int y, int width, int height, Boolean label,
Boolean clipped, Boolean pressed)
#else
xbaeDrawCellShadow(mw, win, row, column, x, y, width, height, label, clipped,
pressed)
XbaeMatrixWidget mw;
Window win;
int row;
int column;
int x;
int y;
int width;
int height;
Boolean label;
Boolean clipped;
Boolean pressed;
#endif
{
unsigned char grid_type;
unsigned char shadow;
if ((mw->matrix.cell_shadow_thickness == 0) &&
(!IN_GRID_ROW_MODE(mw)) && (!IN_GRID_COLUMN_MODE(mw)))
return;
/*
* Surround the cell with a shadow.
*/
if(label)
{
shadow = pressed ? XmSHADOW_IN : XmSHADOW_OUT;
grid_type = XmGRID_CELL_SHADOW;
}
else
{
shadow = mw->matrix.cell_shadow_types ?
mw->matrix.cell_shadow_types[row][column] :
mw->matrix.cell_shadow_type;
grid_type = mw->matrix.grid_type;
}
if (clipped)
{
switch (grid_type)
{
case XmGRID_CELL_SHADOW:
DRAW_SHADOW(XtDisplay(mw), win,
mw->matrix.cell_top_shadow_clip_gc,
mw->matrix.cell_bottom_shadow_clip_gc,
mw->matrix.cell_shadow_thickness,
x, y, width, height, shadow);
break;
/* Deprecated types. To be removed in next version. */
case XmGRID_SHADOW_OUT:
DRAW_SHADOW(XtDisplay(mw), win,
mw->matrix.cell_bottom_shadow_clip_gc,
mw->matrix.cell_top_shadow_clip_gc,
mw->matrix.cell_shadow_thickness,
x, y, width, height, shadow);
break;
case XmGRID_SHADOW_IN:
DRAW_SHADOW(XtDisplay(mw), win,
mw->matrix.cell_top_shadow_clip_gc,
mw->matrix.cell_bottom_shadow_clip_gc,
mw->matrix.cell_shadow_thickness,
x, y, width, height, shadow);
break;
}
}
else
{
switch (grid_type)
{
case XmGRID_NONE:
break;
case XmGRID_ROW_SHADOW:
DrawRowShadow(mw, win, row, column, x, y, width, height,
mw->manager.top_shadow_GC,
mw->manager.bottom_shadow_GC);
break;
case XmGRID_ROW_LINE:
DrawRowShadow(mw, win, row, column, x, y, width, height,
mw->matrix.grid_line_gc, mw->matrix.grid_line_gc);
break;
case XmGRID_COLUMN_SHADOW:
DrawColumnShadow(mw, win, row, column, x, y, width, height,
mw->manager.top_shadow_GC,
mw->manager.bottom_shadow_GC);
break;
case XmGRID_COLUMN_LINE:
DrawColumnShadow(mw, win, row, column, x, y, width, height,
mw->matrix.grid_line_gc, mw->matrix.grid_line_gc);
break;
case XmGRID_CELL_LINE:
DRAW_SHADOW(XtDisplay(mw), win,
mw->matrix.grid_line_gc,
mw->matrix.grid_line_gc,
mw->matrix.cell_shadow_thickness,
x, y, width, height, shadow);
break;
case XmGRID_CELL_SHADOW:
DRAW_SHADOW(XtDisplay(mw), win,
mw->manager.top_shadow_GC,
mw->manager.bottom_shadow_GC,
mw->matrix.cell_shadow_thickness,
x, y, width, height, shadow);
break;
/* Deprecated types. To be removed in next version. */
case XmGRID_LINE:
DRAW_SHADOW(XtDisplay(mw), win,
mw->matrix.grid_line_gc,
mw->matrix.grid_line_gc,
mw->matrix.cell_shadow_thickness,
x, y, width, height, shadow);
break;
case XmGRID_SHADOW_OUT:
DRAW_SHADOW(XtDisplay(mw), win,
mw->manager.bottom_shadow_GC,
mw->manager.top_shadow_GC,
mw->matrix.cell_shadow_thickness,
x, y, width, height, shadow);
break;
case XmGRID_SHADOW_IN:
DRAW_SHADOW(XtDisplay(mw), win,
mw->manager.top_shadow_GC,
mw->manager.bottom_shadow_GC,
mw->matrix.cell_shadow_thickness,
x, y, width, height, shadow);
break;
}
}
}
#if XmVersion >= 1002
void
xbaeDrawCellHighlight(mw, win, gc, row, column, x, y, width, height, reason)
XbaeMatrixWidget mw;
Window win;
GC gc;
int row;
int column;
int x;
int y;
int width;
int height;
int reason;
{
int thick;
if (!mw->matrix.highlighted_cells) /* Just a precaution */
return;
if (!mw->matrix.highlighted_cells[row][column])
return; /* Nothing to do! */
if (reason & HIGHLIGHTING_SOMETHING)
gc = mw->manager.highlight_GC;
if (IN_GRID_ROW_MODE(mw) &&
(reason & HighlightRow || reason & UnhighlightRow) &&
mw->matrix.highlighted_cells[row][column] == HighlightRow)
DrawRowHighlight(mw, win, gc, row, column, x, y, width, height,
reason);
else if (IN_GRID_COLUMN_MODE(mw) &&
(reason & HighlightColumn || reason & UnhighlightColumn) &&
mw->matrix.highlighted_cells[row][column] == HighlightColumn)
DrawColumnHighlight(mw, win, gc, row, column, x, y, width, height,
reason);
else
{
thick = (2 * mw->matrix.cell_shadow_thickness);
DRAW_HIGHLIGHT(XtDisplay(mw), win, gc,
x + mw->matrix.cell_shadow_thickness,
y + mw->matrix.cell_shadow_thickness,
width - thick, height - thick,
mw->matrix.cell_highlight_thickness,
LineSolid);
}
}
static void
DrawRowHighlight(mw, win, gc, row, column, x, y, width, height, reason)
XbaeMatrixWidget mw;
Window win;
GC gc;
int row;
int column;
int x;
int y;
int width;
int height;
int reason;
{
XRectangle rect[1];
rect[0].x = 0;
rect[0].y = 0;
rect[0].width = width;
rect[0].height = height;
XSetClipRectangles(XtDisplay(mw), gc, x, y, rect, 1, Unsorted);
y += mw->matrix.cell_shadow_thickness;
height -= 2 * mw->matrix.cell_shadow_thickness;
if (column != mw->matrix.columns - 1)
{
if (column != 0)
x -= (mw->matrix.cell_shadow_thickness +
mw->matrix.cell_highlight_thickness);
else
x += mw->matrix.cell_shadow_thickness;
DRAW_HIGHLIGHT(XtDisplay(mw), win, gc, x, y, mw->core.width, height,
mw->matrix.cell_highlight_thickness,
LineSolid);
}
else
{
if (NEED_HORIZ_FILL(mw))
width = mw->core.width;
x -= (mw->matrix.cell_shadow_thickness +
mw->matrix.cell_highlight_thickness);
width += mw->matrix.cell_highlight_thickness;
DRAW_HIGHLIGHT(XtDisplay(mw), win, gc, x, y, width,
height, mw->matrix.cell_highlight_thickness,
LineSolid);
if (NEED_HORIZ_FILL(mw))
{
int ax, ay;
xbaeCalcHorizFill(mw, win, x, y, row, column, &ax, &ay,
&width, &height);
rect[0].width = width;
rect[0].height = height;
XSetClipRectangles(XtDisplay(mw), gc, ax, ay, rect, 1,
Unsorted);
height -= mw->matrix.cell_shadow_thickness * 2;
ax -= mw->matrix.cell_highlight_thickness;
width += (mw->matrix.cell_highlight_thickness -
mw->matrix.cell_shadow_thickness);
DRAW_HIGHLIGHT(XtDisplay(mw), XtWindow(mw), gc, ax, ay,
width, height,
mw->matrix.cell_highlight_thickness,
LineSolid);
}
}
XSetClipMask(XtDisplay(mw), gc, None);
}
static void
DrawColumnHighlight(mw, win, gc, row, column, x, y, width, height, reason)
XbaeMatrixWidget mw;
Window win;
GC gc;
int row;
int column;
int x;
int y;
int width;
int height;
int reason;
{
XRectangle rect[1];
int vert_dead_space_height = VERT_DEAD_SPACE_HEIGHT(mw);
int clip_vert_visible_space = CLIP_VERT_VISIBLE_SPACE(mw);
int vert_sb_height = VERT_SB_HEIGHT(mw);
Boolean need_vert_dead_space_fill = NEED_VERT_DEAD_SPACE_FILL(mw);
/* This adjustment takes care of that little open area
* between the last nonfixed row and the first trailing
* fixed row when the matrix is smaller than its max height */
if ((vert_dead_space_height == 0) &&
((TRAILING_VERT_ORIGIN(mw) - 1) == row) &&
(vert_sb_height < clip_vert_visible_space))
height += (mw->matrix.cell_shadow_thickness +
clip_vert_visible_space - vert_sb_height);
rect[0].x = 0;
rect[0].y = 0;
rect[0].width = width;
rect[0].height = height;
XSetClipRectangles(XtDisplay(mw), gc, x, y, rect, 1, Unsorted);
x += mw->matrix.cell_shadow_thickness;
width -= 2 * mw->matrix.cell_shadow_thickness;
if (row != mw->matrix.rows - 1)
{
if (row != 0)
y -= (mw->matrix.cell_shadow_thickness +
mw->matrix.cell_highlight_thickness);
else
y += mw->matrix.cell_shadow_thickness;
DRAW_HIGHLIGHT(XtDisplay(mw), win, gc, x, y, width, mw->core.height,
mw->matrix.cell_highlight_thickness,
LineSolid);
}
else
{
if (NEED_VERT_FILL(mw) && (! HAS_ATTACHED_TRAILING_ROWS(mw)))
height = mw->core.height;
else
height += mw->matrix.cell_highlight_thickness;
y -= (mw->matrix.cell_shadow_thickness +
mw->matrix.cell_highlight_thickness);
DRAW_HIGHLIGHT(XtDisplay(mw), win, gc, x, y, width,
height, mw->matrix.cell_highlight_thickness,
LineSolid);
if (NEED_VERT_FILL(mw) || need_vert_dead_space_fill)
{
int ax, ay;
xbaeCalcVertFill(mw, win, x, y, row, column, &ax, &ay,
&width, &height);
/* If we're filling the dead space, then we only use
* the width and ax from above call. */
if (need_vert_dead_space_fill)
{
ay = UNATTACHED_TRAILING_ROWS_OFFSET(mw);
height = mw->matrix.cell_shadow_thickness +
mw->matrix.cell_highlight_thickness +
vert_dead_space_height;
}
rect[0].width = width;
rect[0].height = height;
XSetClipRectangles(XtDisplay(mw), gc, ax, ay, rect, 1,
Unsorted);
width -= mw->matrix.cell_shadow_thickness * 2;
ay -= mw->matrix.cell_highlight_thickness;
height += (mw->matrix.cell_highlight_thickness -
mw->matrix.cell_shadow_thickness);
/* Make sure height extends past bottom clip */
if (need_vert_dead_space_fill && IS_FIXED_COLUMN(mw, column))
height += (mw->matrix.cell_shadow_thickness +
mw->matrix.cell_highlight_thickness);
DRAW_HIGHLIGHT(XtDisplay(mw), XtWindow(mw), gc, ax, ay,
width, height,
mw->matrix.cell_highlight_thickness,
LineSolid);
}
}
XSetClipMask(XtDisplay(mw), gc, None);
}
#endif
static void
DrawRowShadow(mw, win, row, column, x, y, width, height, topGC, bottomGC)
XbaeMatrixWidget mw;
Window win;
int row;
int column;
int x;
int y;
int width;
int height;
GC topGC;
GC bottomGC;
{
XRectangle rect[1];
unsigned char shadow = mw->matrix.row_shadow_types ?
mw->matrix.row_shadow_types[row] : mw->matrix.cell_shadow_type;
rect[0].x = 0;
rect[0].y = 0;
rect[0].width = width;
rect[0].height = height;
/*
* Set up the clipping rectangle to be only over the current cell
*/
XSetClipRectangles(XtDisplay(mw),
topGC,
x, y, rect, 1, Unsorted);
if (topGC != bottomGC)
XSetClipRectangles(XtDisplay(mw),
bottomGC,
x, y, rect, 1, Unsorted);
/*
* Now, convert our coordinates to what we need to draw
*/
if (column != mw->matrix.columns - 1)
{
/*
* If column is 0, then we need to show the left hand side of the
* box, otherwise just draw the edges outside the clipping rectangle
*/
width = mw->core.width;
if (column != 0)
x -= mw->matrix.cell_shadow_thickness;
DRAW_SHADOW(XtDisplay(mw), win,
topGC, bottomGC,
mw->matrix.cell_shadow_thickness,
x, y, width, height, shadow);
}
else
{
if (NEED_HORIZ_FILL(mw))
/*
* If we are going to fill, the right hand side of the shadow
* shouldn't be drawn - we'll do it later!
*/
width = mw->core.width;
else
width += mw->matrix.cell_shadow_thickness;
DRAW_SHADOW(XtDisplay(mw), win,
topGC, bottomGC,
mw->matrix.cell_shadow_thickness,
x - mw->matrix.cell_shadow_thickness, y, width,
height, shadow);
if (NEED_HORIZ_FILL(mw))
{
/*
* The filled part is drawn on the matrix's window so we need to
* do a bit of extra work.
*/
int ax, ay;
xbaeCalcHorizFill(mw, win, x, y, row, column, &ax, &ay,
&width, &height);
rect[0].width = width;
rect[0].height = height;
XSetClipRectangles(XtDisplay(mw),
topGC,
ax, ay, rect, 1, Unsorted);
if (topGC != bottomGC)
XSetClipRectangles(XtDisplay(mw),
bottomGC,
ax, ay, rect, 1, Unsorted);
/*
* Final tweaks. Note that these _cannot_ be part of the calc
* horiz fill logic, since that is used to set the clipping
* rectangle
*/
if ((win == XtWindow(ClipChild(mw))) &&
(height != ROW_HEIGHT(mw)))
{
if (height == (ClipChild(mw)->core.height +
ClipChild(mw)->core.y - ay))
height += mw->matrix.cell_shadow_thickness;
if (ay == ClipChild(mw)->core.y)
{
height += mw->matrix.cell_shadow_thickness;
ay -= mw->matrix.cell_shadow_thickness;
}
}
/* Do same check for RightClip. Now, why this is even
* necessary when we're drawing on the Matrix's window,
* I dunno. This one is only necessary when
* we've got trailing fixed columns. */
if (mw->matrix.trailing_fixed_columns &&
(win == XtWindow(RightClip(mw))) &&
(height != ROW_HEIGHT(mw)))
{
if (height == (RightClip(mw)->core.height +
RightClip(mw)->core.y - ay))
height += mw->matrix.cell_shadow_thickness;
if (ay == RightClip(mw)->core.y)
{
height += mw->matrix.cell_shadow_thickness;
ay -= mw->matrix.cell_shadow_thickness;
}
}
/*
* Draw the remaining shadow directly onto the matrix window
*/
DRAW_SHADOW(XtDisplay(mw), XtWindow(mw),
topGC, bottomGC,
mw->matrix.cell_shadow_thickness,
ax - mw->matrix.cell_shadow_thickness,
ay, width + mw->matrix.cell_shadow_thickness,
height, shadow);
}
}
/*
* Reset our GC's clip mask
*/
XSetClipMask(XtDisplay(mw), topGC,
None);
if (topGC != bottomGC)
XSetClipMask(XtDisplay(mw), bottomGC,
None);
}
static void
DrawColumnShadow(mw, win, row, column, x, y, width, height, topGC, bottomGC)
XbaeMatrixWidget mw;
Window win;
int row;
int column;
int x;
int y;
int width;
int height;
GC topGC;
GC bottomGC;
{
XRectangle rect[1];
unsigned char shadow = mw->matrix.column_shadow_types ?
mw->matrix.column_shadow_types[column] : mw->matrix.cell_shadow_type;
int vert_dead_space_height = VERT_DEAD_SPACE_HEIGHT(mw);
int clip_vert_visible_space = CLIP_VERT_VISIBLE_SPACE(mw);
int vert_sb_height = VERT_SB_HEIGHT(mw);
Boolean need_vert_dead_space_fill = NEED_VERT_DEAD_SPACE_FILL(mw);
/* This adjustment takes care of that little open area
* between the last nonfixed row and the first trailing
* fixed row when the matrix is smaller than its max height */
if ((vert_dead_space_height == 0) &&
((TRAILING_VERT_ORIGIN(mw) - 1) == row) &&
(vert_sb_height < clip_vert_visible_space))
height += (mw->matrix.cell_shadow_thickness +
clip_vert_visible_space - vert_sb_height);
rect[0].x = 0;
rect[0].y = 0;
rect[0].width = width;
rect[0].height = height;
/*
* Set up the clipping rectangle to be only over the current cell
*/
XSetClipRectangles(XtDisplay(mw),
topGC,
x, y, rect, 1, Unsorted);
if (topGC != bottomGC)
XSetClipRectangles(XtDisplay(mw),
bottomGC,
x, y, rect, 1, Unsorted);
/*
* Now, convert our coordinates to what we need to draw
*/
if (row != mw->matrix.rows - 1)
{
/*
* If column is 0, then we need to show the left hand side of the
* box, otherwise just draw the edges outside the clipping rectangle
*/
height = mw->core.height;
if (row != 0)
y -= mw->matrix.cell_shadow_thickness;
DRAW_SHADOW(XtDisplay(mw), win,
topGC, bottomGC,
mw->matrix.cell_shadow_thickness,
x, y, width, height, shadow);
}
else
{
if (NEED_VERT_FILL(mw) && (! HAS_ATTACHED_TRAILING_ROWS(mw)))
/*
* If we are going to fill, the bottom of the shadow
* shouldn't be drawn
*/
height = mw->core.height;
else
height += mw->matrix.cell_shadow_thickness;
DRAW_SHADOW(XtDisplay(mw), win,
topGC, bottomGC,
mw->matrix.cell_shadow_thickness,
x, y - mw->matrix.cell_shadow_thickness,
width, height, shadow);
/*
* The filled part is drawn on the matrix's window so we need to
* do a bit of extra work. We may need to fill either the entire
* bottom portion of the matrix, or the dead space, that is, the
* space between the last nonfixed row and the first trailing
* fixed row. We only need to do the latter case when we've got
* bottom attached trailing fixed rows with vertical dead space
* (vertical dead space only occurs when the matrix is bigger
* than its maximum height, i.e., we're filling).
*/
if (NEED_VERT_FILL(mw) || need_vert_dead_space_fill)
{
int ax, ay;
xbaeCalcVertFill(mw, win, x, y, row, column, &ax, &ay,
&width, &height);
/* If we're filling the dead space, then we only use
* the width and ax from above call. */
if (need_vert_dead_space_fill)
{
ay = UNATTACHED_TRAILING_ROWS_OFFSET(mw);
height = mw->matrix.cell_shadow_thickness +
vert_dead_space_height;
}
rect[0].width = width;
rect[0].height = height;
XSetClipRectangles(XtDisplay(mw),
topGC,
ax, ay, rect, 1, Unsorted);
if (topGC != bottomGC)
XSetClipRectangles(XtDisplay(mw),
bottomGC,
ax, ay, rect, 1, Unsorted);
/*
* Final tweaks. Note that these _cannot_ be part of the
* calc vert fill logic, since that is used to set the
* clipping rectangle
*/
if ((win == XtWindow(ClipChild(mw))) &&
(width != COLUMN_WIDTH(mw, column)))
{
/* Make sure we don't draw a shadow along the matrix's
* shadow by extending our width past the edge of the
* clipping rectangle
*/
if (width == (ClipChild(mw)->core.width +
ClipChild(mw)->core.x - ax))
width += mw->matrix.cell_shadow_thickness;
/*
* Make sure the shadow doesn't get drawn along the left
* side by moving the x pos outside the clipping
* rectangle.
*/
if (ax == ClipChild(mw)->core.x)
{
width += mw->matrix.cell_shadow_thickness;
ax -= mw->matrix.cell_shadow_thickness;
}
}
/*
* Do same check for BottomClip. Now, why this is even
* necessary when we're drawing on the Matrix's window,
* I dunno. This one is only necessary when we've got
* trailing fixed rows.
*/
if (mw->matrix.trailing_fixed_rows &&
(win == XtWindow(BottomClip(mw))) &&
(width != COLUMN_WIDTH(mw, column)))
{
if (width == (BottomClip(mw)->core.width +
BottomClip(mw)->core.x - ax))
width += mw->matrix.cell_shadow_thickness;
if (ax == BottomClip(mw)->core.x)
{
width += mw->matrix.cell_shadow_thickness;
ax -= mw->matrix.cell_shadow_thickness;
}
}
/* Make sure height extends past bottom clip */
if (need_vert_dead_space_fill && IS_FIXED_COLUMN(mw, column))
height += mw->matrix.cell_shadow_thickness;
/*
* Draw the remaining shadow directly onto the matrix window
*/
DRAW_SHADOW(XtDisplay(mw), XtWindow(mw),
topGC, bottomGC,
mw->matrix.cell_shadow_thickness,
ax, ay - mw->matrix.cell_shadow_thickness,
width, height + mw->matrix.cell_shadow_thickness,
shadow);
}
}
/*
* Reset our GC's clip mask
*/
XSetClipMask(XtDisplay(mw), topGC,
None);
if (topGC != bottomGC)
XSetClipMask(XtDisplay(mw), bottomGC,
None);
}
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