static void iMatrixDrawFocus(Ihandle* ih)
{
int x1, y1, x2, y2, dx, dy;
if (iupAttribGetBoolean(ih, "HIDEFOCUS"))
return;
/* there are no cells that can get the focus */
if (ih->data->columns.num <= 1 || ih->data->lines.num <= 1)
return;
if (!iupMatrixAuxIsCellVisible(ih, ih->data->lines.focus_cell, ih->data->columns.focus_cell))
return;
iupMatrixGetVisibleCellDim(ih, ih->data->lines.focus_cell, ih->data->columns.focus_cell, &x1, &y1, &dx, &dy);
x2 = x1 + dx - 1;
y2 = y1 + dy - 1;
if (ih->data->columns.focus_cell == 1 && ih->data->columns.dt[0].size == 0)
x1++;
if (ih->data->lines.focus_cell == 1 && ih->data->lines.dt[0].size == 0)
y1++;
{
cdCanvas* cd_canvas_front = (cdCanvas*)IupGetAttribute(ih, "_CD_CANVAS"); /* front buffer canvas */
IupCdDrawFocusRect(ih, cd_canvas_front, x1, iupMATRIX_INVERTYAXIS(ih, y1), x2, iupMATRIX_INVERTYAXIS(ih, y2));
}
}
static int iMatrixDrawCallDrawCB(Ihandle* ih, int lin, int col, int x1, int x2, int y1, int y2, IFniiiiiiC draw_cb)
{
int ret;
cdCanvas* old_cnv;
iMatrixDrawSetCellClipping(ih, x1, x2, y1, y2);
old_cnv = cdActiveCanvas();
if (old_cnv != ih->data->cd_canvas) /* backward compatibility code */
cdActivate(ih->data->cd_canvas);
ret = draw_cb(ih, lin, col, x1, x2, iupMATRIX_INVERTYAXIS(ih, y1), iupMATRIX_INVERTYAXIS(ih, y2), ih->data->cd_canvas);
iMatrixDrawResetCellClipping(ih);
if (old_cnv && old_cnv != ih->data->cd_canvas) /* backward compatibility code */
{
cdActivate(old_cnv);
cdCanvasActivate(ih->data->cd_canvas);
}
if (ret == IUP_DEFAULT)
return 0;
return 1;
}
void iupMatrixColResFinish(Ihandle* ih, int x)
{
int delta = x - ih->data->colres_drag_col_start_x;
int width = ih->data->columns.dt[ih->data->colres_drag_col].size + delta;
if (width < 0)
width = 0;
/* delete feedback */
if (ih->data->colres_drag_col_last_x != -1)
{
int y1 = ih->data->lines.dt[0].size; /* from the bottom of the line of titles */
int y2 = ih->data->h-1; /* to the bottom of the matrix */
cdCanvasWriteMode(ih->data->cdcanvas, CD_XOR);
cdCanvasForeground(ih->data->cdcanvas, ih->data->colres_color);
cdCanvasLine(ih->data->cdcanvas, ih->data->colres_drag_col_last_x, iupMATRIX_INVERTYAXIS(ih, y1),
ih->data->colres_drag_col_last_x, iupMATRIX_INVERTYAXIS(ih, y2));
cdCanvasWriteMode(ih->data->cdcanvas, CD_REPLACE);
}
ih->data->colres_dragging = 0;
iupAttribSetIntId(ih, "RASTERWIDTH", ih->data->colres_drag_col, width-IMAT_PADDING_W-IMAT_FRAME_W);
iupAttribSetId(ih, "WIDTH", ih->data->colres_drag_col, NULL);
ih->data->need_calcsize = 1;
iupMatrixDraw(ih, 0);
{
IFni cb = (IFni)IupGetCallback(ih, "COLRESIZE_CB");
if (cb)
cb(ih, ih->data->colres_drag_col);
}
}
/* Change the column width interactively, just change the line in the screen.
When the user finishes the drag, the iupMatrixColResFinish function is called
to truly change the column width. */
void iupMatrixColResMove(Ihandle* ih, int x)
{
int y1, y2;
int delta = x - ih->data->colres_drag_col_start_x;
int width = ih->data->columns.dt[ih->data->colres_drag_col].size + delta;
if (width < 0)
return;
y1 = ih->data->lines.dt[0].size; /* from the bottom of the line of titles */
y2 = ih->data->h-1; /* to the bottom of the matrix */
cdCanvasWriteMode(ih->data->cdcanvas, CD_XOR);
cdCanvasForeground(ih->data->cdcanvas, ih->data->colres_color);
/* If it is not the first time, move old line */
if (ih->data->colres_drag_col_last_x != -1)
{
cdCanvasLine(ih->data->cdcanvas, ih->data->colres_drag_col_last_x, iupMATRIX_INVERTYAXIS(ih, y1),
ih->data->colres_drag_col_last_x, iupMATRIX_INVERTYAXIS(ih, y2));
}
cdCanvasLine(ih->data->cdcanvas, x, iupMATRIX_INVERTYAXIS(ih, y1),
x, iupMATRIX_INVERTYAXIS(ih, y2));
ih->data->colres_drag_col_last_x = x;
cdCanvasWriteMode(ih->data->cdcanvas, CD_REPLACE);
}
static void iMatrixDrawSetCellClipping(Ihandle* ih, int x1, int x2, int y1, int y2)
{
int old_clip = cdCanvasClip(ih->data->cddbuffer, CD_QUERY);
if (old_clip == CD_CLIPAREA)
{
cdCanvasGetClipArea(ih->data->cddbuffer, &(ih->data->clip_x1), &(ih->data->clip_x2), &(ih->data->clip_y1), &(ih->data->clip_y2));
y1 = iupMATRIX_INVERTYAXIS(ih, y1);
y2 = iupMATRIX_INVERTYAXIS(ih, y2);
if (x1 > x2) {
int tmp = x1;
x1 = x2;
x2 = tmp;
}
if (y1 > y2) {
int tmp = y1;
y1 = y2;
y2 = tmp;
}
if (x1 < ih->data->clip_x1) x1 = ih->data->clip_x1;
if (x2 > ih->data->clip_x2) x2 = ih->data->clip_x2;
if (y1 < ih->data->clip_y1) y1 = ih->data->clip_y1;
if (y2 > ih->data->clip_y2) y2 = ih->data->clip_y2;
cdCanvasClipArea(ih->data->cddbuffer, x1, x2, y1, y2);
cdCanvasClip(ih->data->cddbuffer, CD_CLIPAREA);
}
}
static void iMatrixDrawImage(Ihandle* ih, int x1, int x2, int y1, int y2, int alignment, int marked, int active, int lin, int col, const char* name)
{
long bgcolor;
int x, y;
Ihandle* image;
iMatrixDrawSetCellClipping(ih, x1, x2, y1, y2);
/* Create an space between image and cell frame */
x1 += IMAT_PADDING_W/2; x2 -= IMAT_PADDING_W/2;
y1 += IMAT_PADDING_H/2; y2 -= IMAT_PADDING_H/2;
image = IupGetHandle(name);
if (image)
{
int width = IupGetInt(image, "WIDTH");
int height = IupGetInt(image, "HEIGHT");
unsigned char r = 255, g = 255, b = 255;
iupMatrixGetBgRGB(ih, lin, col, &r, &g, &b, marked, active);
bgcolor = cdEncodeColor(r, g, b);
y = (y2+y1 + height)/2;
if (alignment == IMAT_ALIGN_CENTER)
x = x1 + (x2-x1)/2 - width/2;
else if(alignment == IMAT_ALIGN_LEFT)
x = x1;
else /* RIGHT */
x = x2 - width;
cdIupDrawImage(ih->data->cd_canvas, image, x, iupMATRIX_INVERTYAXIS(ih, y), 0, 0, !active, bgcolor);
}
iMatrixDrawResetCellClipping(ih);
}
static void iMatrixDrawFocus(Ihandle* ih)
{
int x1, y1, x2, y2, dx, dy;
if (iupAttribGetBoolean(ih, "HIDEFOCUS"))
return;
/* there are no cells that can get the focus */
if (ih->data->columns.num <= 1 || ih->data->lines.num <= 1)
return;
if (!iupMatrixAuxIsCellVisible(ih, ih->data->lines.focus_cell, ih->data->columns.focus_cell))
return;
iupMatrixGetVisibleCellDim(ih, ih->data->lines.focus_cell, ih->data->columns.focus_cell, &x1, &y1, &dx, &dy);
x2 = x1 + dx - 1;
y2 = y1 + dy - 1;
if (ih->data->columns.focus_cell == 1 && ih->data->columns.sizes[0] == 0)
x1++;
if (ih->data->lines.focus_cell == 1 && ih->data->lines.sizes[0] == 0)
y1++;
cdIupDrawFocusRect(ih, ih->data->cdcanvas, x1, iupMATRIX_INVERTYAXIS(ih, y1), x2, iupMATRIX_INVERTYAXIS(ih, y2));
}
static void iMatrixDrawFeedbackImage(Ihandle* ih, int x1, int x2, int y1, int y2, int lin, int col, int active, int marked, const char*name, unsigned char* alpha)
{
int x, y;
Ihandle* image = IupGetHandle(name);
if (image)
{
long bgcolor;
int image_width = IupGetInt(image, "WIDTH");
int image_height = IupGetInt(image, "HEIGHT");
unsigned char r = 255, g = 255, b = 255;
iupMatrixGetBgRGB(ih, lin, col, &r, &g, &b, marked, active);
bgcolor = cdEncodeColor(r, g, b);
y = (y2 + y1 + image_height) / 2;
x = (x2 + x1 - image_width) / 2;
cdIupDrawImage(ih->data->cd_canvas, image, x, iupMATRIX_INVERTYAXIS(ih, y), 0, 0, !active, bgcolor);
}
else
{
static unsigned char red[IMAT_FEEDBACK_SIZE * IMAT_FEEDBACK_SIZE];
static unsigned char green[IMAT_FEEDBACK_SIZE * IMAT_FEEDBACK_SIZE];
static unsigned char blue[IMAT_FEEDBACK_SIZE * IMAT_FEEDBACK_SIZE];
static unsigned char last_r = 0, last_g = 0, last_b = 0;
static int first = 1;
unsigned char r = 0, g = 0, b = 0;
iupMatrixGetFgRGB(ih, lin, col, &r, &g, &b, marked, active);
if (first || last_r != r || last_g != g || last_b != b)
{
int count = IMAT_FEEDBACK_SIZE * IMAT_FEEDBACK_SIZE;
memset(red, r, count);
memset(green, g, count);
memset(blue, b, count);
last_r = r;
last_g = g;
last_b = b;
first = 0;
}
y = (y2 + y1 + IMAT_FEEDBACK_SIZE) / 2;
x = (x2 + x1 - IMAT_FEEDBACK_SIZE) / 2;
cdCanvasPutImageRectRGBA(ih->data->cd_canvas, IMAT_FEEDBACK_SIZE, IMAT_FEEDBACK_SIZE, red, green, blue, alpha, x, iupMATRIX_INVERTYAXIS(ih, y), IMAT_FEEDBACK_SIZE, IMAT_FEEDBACK_SIZE, 0, 0, 0, 0);
}
}