/** Draw a specific tray. */
void DrawSpecificTray(const TrayType *tp)
{
TrayComponentType *cp;
for(cp = tp->components; cp; cp = cp->next) {
UpdateSpecificTray(tp, cp);
}
if(settings.trayDecorations == DECO_MOTIF) {
JXSetForeground(display, rootGC, colors[COLOR_TRAY_UP]);
JXDrawLine(display, tp->window, rootGC, 0, 0, tp->width - 1, 0);
JXDrawLine(display, tp->window, rootGC, 0, tp->height - 1, 0, 0);
JXSetForeground(display, rootGC, colors[COLOR_TRAY_DOWN]);
JXDrawLine(display, tp->window, rootGC, 0, tp->height - 1,
tp->width - 1, tp->height - 1);
JXDrawLine(display, tp->window, rootGC, tp->width - 1, 0,
tp->width - 1, tp->height - 1);
} else {
JXSetForeground(display, rootGC, colors[COLOR_TRAY_DOWN]);
JXDrawRectangle(display, tp->window, rootGC, 0, 0,
tp->width - 1, tp->height - 1);
}
}
/** Draw a specific tray. */
void DrawSpecificTray(const TrayType *tp) {
TrayComponentType *cp;
int x;
Assert(tp);
/* Draw components. */
for(cp = tp->components; cp; cp = cp->next) {
UpdateSpecificTray(tp, cp);
}
/* Draw the border. */
for(x = 0; x < tp->border; x++) {
/* Top */
JXSetForeground(display, rootGC, colors[COLOR_TRAY_UP]);
JXDrawLine(display, tp->window, rootGC,
0, x,
tp->width - x - 1, x);
/* Bottom */
JXSetForeground(display, rootGC, colors[COLOR_TRAY_DOWN]);
JXDrawLine(display, tp->window, rootGC,
x + 1, tp->height - x - 1,
tp->width - x - 2, tp->height - x - 1);
/* Left */
JXSetForeground(display, rootGC, colors[COLOR_TRAY_UP]);
JXDrawLine(display, tp->window, rootGC,
x, x,
x, tp->height - x - 1);
/* Right */
JXSetForeground(display, rootGC, colors[COLOR_TRAY_DOWN]);
JXDrawLine(display, tp->window, rootGC,
tp->width - x - 1, x + 1,
tp->width - x - 1, tp->height - x - 1);
}
}
/** Draw a horizontal gradient. */
void DrawHorizontalGradient(Drawable d, GC g,
long fromColor, long toColor,
int x, int y,
unsigned int width, unsigned int height)
{
const int shift = 15;
unsigned int line;
XColor colors[2];
int red, green, blue;
int ared, agreen, ablue;
int bred, bgreen, bblue;
int redStep, greenStep, blueStep;
/* Return if there's nothing to do. */
if(width == 0 || height == 0) {
return;
}
/* Here we assume that the background was filled elsewhere. */
if(fromColor == toColor) {
return;
}
/* Query the from/to colors. */
colors[0].pixel = fromColor;
colors[1].pixel = toColor;
JXQueryColors(display, rootColormap, colors, 2);
/* Set the "from" color. */
ared = (unsigned int)colors[0].red << shift;
agreen = (unsigned int)colors[0].green << shift;
ablue = (unsigned int)colors[0].blue << shift;
/* Set the "to" color. */
bred = (unsigned int)colors[1].red << shift;
bgreen = (unsigned int)colors[1].green << shift;
bblue = (unsigned int)colors[1].blue << shift;
/* Determine the step. */
redStep = (bred - ared) / (int)height;
greenStep = (bgreen - agreen) / (int)height;
blueStep = (bblue - ablue) / (int)height;
/* Loop over each line. */
red = ared;
blue = ablue;
green = agreen;
for(line = 0; line < height; line++) {
/* Determine the color for this line. */
colors[0].red = (unsigned short)(red >> shift);
colors[0].green = (unsigned short)(green >> shift);
colors[0].blue = (unsigned short)(blue >> shift);
GetColor(&colors[0]);
/* Draw the line. */
JXSetForeground(display, g, colors[0].pixel);
JXDrawLine(display, d, g, x, y + line, x + width - 1, y + line);
red += redStep;
green += greenStep;
blue += blueStep;
}
}
/** Draw a button. */
void DrawButton(ButtonNode *bp)
{
ColorType fg;
long bg1, bg2;
long up, down;
DecorationsType decorations;
Drawable drawable;
GC gc;
int x, y;
int width, height;
int xoffset, yoffset;
int iconWidth, iconHeight;
int textWidth, textHeight;
Assert(bp);
drawable = bp->drawable;
x = bp->x;
y = bp->y;
width = bp->width;
height = bp->height;
gc = JXCreateGC(display, drawable, 0, NULL);
/* Determine the colors to use. */
switch(bp->type) {
case BUTTON_LABEL:
fg = COLOR_MENU_FG;
bg1 = colors[COLOR_MENU_BG];
bg2 = colors[COLOR_MENU_BG];
up = colors[COLOR_MENU_UP];
down = colors[COLOR_MENU_DOWN];
decorations = settings.menuDecorations;
break;
case BUTTON_MENU_ACTIVE:
fg = COLOR_MENU_ACTIVE_FG;
bg1 = colors[COLOR_MENU_ACTIVE_BG1];
bg2 = colors[COLOR_MENU_ACTIVE_BG2];
down = colors[COLOR_MENU_ACTIVE_UP];
up = colors[COLOR_MENU_ACTIVE_DOWN];
decorations = settings.menuDecorations;
break;
case BUTTON_TRAY:
fg = COLOR_TRAYBUTTON_FG;
bg1 = colors[COLOR_TRAYBUTTON_BG1];
bg2 = colors[COLOR_TRAYBUTTON_BG2];
up = colors[COLOR_TRAYBUTTON_UP];
down = colors[COLOR_TRAYBUTTON_DOWN];
decorations = settings.trayDecorations;
break;
case BUTTON_TRAY_ACTIVE:
fg = COLOR_TRAYBUTTON_ACTIVE_FG;
bg1 = colors[COLOR_TRAYBUTTON_ACTIVE_BG1];
bg2 = colors[COLOR_TRAYBUTTON_ACTIVE_BG2];
down = colors[COLOR_TRAYBUTTON_ACTIVE_UP];
up = colors[COLOR_TRAYBUTTON_ACTIVE_DOWN];
decorations = settings.trayDecorations;
break;
case BUTTON_TASK:
fg = COLOR_TASKLIST_FG;
bg1 = colors[COLOR_TASKLIST_BG1];
bg2 = colors[COLOR_TASKLIST_BG2];
up = colors[COLOR_TASKLIST_UP];
down = colors[COLOR_TASKLIST_DOWN];
decorations = settings.trayDecorations;
break;
case BUTTON_TASK_ACTIVE:
fg = COLOR_TASKLIST_ACTIVE_FG;
bg1 = colors[COLOR_TASKLIST_ACTIVE_BG1];
bg2 = colors[COLOR_TASKLIST_ACTIVE_BG2];
down = colors[COLOR_TASKLIST_ACTIVE_UP];
up = colors[COLOR_TASKLIST_ACTIVE_DOWN];
decorations = settings.trayDecorations;
break;
case BUTTON_MENU:
default:
fg = COLOR_MENU_FG;
bg1 = colors[COLOR_MENU_BG];
bg2 = colors[COLOR_MENU_BG];
up = colors[COLOR_MENU_UP];
down = colors[COLOR_MENU_DOWN];
decorations = settings.menuDecorations;
break;
}
/* Draw the background. */
if(bp->fill) {
/* Draw the button background. */
JXSetForeground(display, gc, bg1);
if(bg1 == bg2) {
/* single color */
JXFillRectangle(display, drawable, gc, x, y, width, height);
} else {
/* gradient */
DrawHorizontalGradient(drawable, gc, bg1, bg2,
x, y, width, height);
}
}
/* Draw the border. */
if(bp->border) {
if(decorations == DECO_MOTIF) {
JXSetForeground(display, gc, up);
JXDrawLine(display, drawable, gc, x, y, x + width - 1, y);
JXDrawLine(display, drawable, gc, x, y, x, y + height - 1);
JXSetForeground(display, gc, down);
JXDrawLine(display, drawable, gc, x, y + height - 1,
x + width - 1, y + height - 1);
JXDrawLine(display, drawable, gc, x + width - 1, y,
x + width - 1, y + height - 1);
} else {
JXSetForeground(display, gc, down);
JXDrawRectangle(display, drawable, gc, x, y, width - 1, height - 1);
}
}
/* Determine the size of the icon (if any) to display. */
iconWidth = 0;
iconHeight = 0;
if(bp->icon) {
if(bp->icon == &emptyIcon) {
iconWidth = Min(width - 4, height - 4);
iconHeight = iconWidth;
} else {
const int ratio = (bp->icon->width << 16) / bp->icon->height;
iconHeight = height - 4;
iconWidth = (iconHeight * ratio) >> 16;
if(iconWidth > width - 4) {
iconWidth = width - 4;
iconHeight = (iconWidth << 16) / ratio;
}
}
}
/* Determine how much room is left for text. */
textWidth = 0;
textHeight = 0;
if(bp->text && (width > height || !bp->icon)) {
textWidth = GetStringWidth(bp->font, bp->text);
textHeight = GetStringHeight(bp->font);
if(iconWidth > 0 && textWidth + iconWidth + 7 > width) {
textWidth = width - iconWidth - 7;
} else if(iconWidth == 0 && textWidth + 5 > width) {
textWidth = width - 5;
}
textWidth = textWidth < 0 ? 0 : textWidth;
}
/* Determine the offset of the text in the button. */
if(bp->alignment == ALIGN_CENTER || width <= height) {
xoffset = (width - iconWidth - textWidth + 1) / 2;
if(xoffset < 0) {
xoffset = 0;
}
} else {
xoffset = 2;
}
/* Display the icon. */
if(bp->icon) {
yoffset = (height - iconHeight + 1) / 2;
PutIcon(bp->icon, drawable, colors[fg],
x + xoffset, y + yoffset,
iconWidth, iconHeight);
xoffset += iconWidth + 2;
}
/* Display the label. */
if(textWidth > 0) {
yoffset = (height - textHeight + 1) / 2;
RenderString(drawable, bp->font, fg,
x + xoffset, y + yoffset,
textWidth, bp->text);
}
JXFreeGC(display, gc);
}