diff options
Diffstat (limited to 'src/button.c')
| -rw-r--r-- | src/button.c | 212 |
1 files changed, 212 insertions, 0 deletions
diff --git a/src/button.c b/src/button.c new file mode 100644 index 0000000..0d62742 --- /dev/null +++ b/src/button.c @@ -0,0 +1,212 @@ +/*************************************************************************** + * Functions to handle drawing buttons. + * Copyright (C) 2004 Joe Wingbermuehle + ***************************************************************************/ + +#include "jwm.h" +#include "button.h" +#include "font.h" +#include "color.h" +#include "main.h" +#include "icon.h" +#include "image.h" + +static void GetScaledIconSize(IconNode *ip, int maxsize, + int *width, int *height); + +/*************************************************************************** + ***************************************************************************/ +void DrawButton(ButtonNode *bp) { + + long outlinePixel; + long topPixel, bottomPixel; + ColorType fg, bg; + + Drawable drawable; + GC gc; + int x, y; + int width, height; + int xoffset, yoffset; + + int iconWidth, iconHeight; + int textWidth, textHeight; + + Assert(bp); + + drawable = bp->drawable; + gc = bp->gc; + x = bp->x; + y = bp->y; + width = bp->width; + height = bp->height; + + switch(bp->type) { + case BUTTON_LABEL: + fg = COLOR_MENU_FG; + bg = COLOR_MENU_BG; + outlinePixel = colors[COLOR_MENU_BG]; + topPixel = colors[COLOR_MENU_BG]; + bottomPixel = colors[COLOR_MENU_BG]; + break; + case BUTTON_MENU_ACTIVE: + fg = COLOR_MENU_ACTIVE_FG; + bg = COLOR_MENU_ACTIVE_BG; + outlinePixel = colors[COLOR_MENU_ACTIVE_DOWN]; + topPixel = colors[COLOR_MENU_ACTIVE_UP]; + bottomPixel = colors[COLOR_MENU_ACTIVE_DOWN]; + break; + case BUTTON_TASK: + fg = COLOR_TASK_FG; + bg = COLOR_TASK_BG; + outlinePixel = colors[COLOR_TASK_DOWN]; + topPixel = colors[COLOR_TASK_UP]; + bottomPixel = colors[COLOR_TASK_DOWN]; + break; + case BUTTON_TASK_ACTIVE: + fg = COLOR_TASK_ACTIVE_FG; + bg = COLOR_TASK_ACTIVE_BG; + outlinePixel = colors[COLOR_TASK_ACTIVE_DOWN]; + topPixel = colors[COLOR_TASK_ACTIVE_DOWN]; + bottomPixel = colors[COLOR_TASK_ACTIVE_UP]; + break; + case BUTTON_MENU: + default: + fg = COLOR_MENU_FG; + bg = COLOR_MENU_BG; + outlinePixel = colors[COLOR_MENU_DOWN]; + topPixel = colors[COLOR_MENU_UP]; + bottomPixel = colors[COLOR_MENU_DOWN]; + break; + } + + JXSetForeground(display, gc, colors[bg]); + JXFillRectangle(display, drawable, gc, x + 2, y + 2, width - 3, height - 3); + + JXSetForeground(display, gc, outlinePixel); + JXDrawLine(display, drawable, gc, x + 1, y, x + width - 1, y); + JXDrawLine(display, drawable, gc, x + 1, y + height, x + width - 1, + y + height); + JXDrawLine(display, drawable, gc, x, y + 1, x, y + height - 1); + JXDrawLine(display, drawable, gc, x + width, y + 1, x + width, + y + height - 1); + + JXSetForeground(display, gc, topPixel); + JXDrawLine(display, drawable, gc, x + 1, y + 1, x + width - 2, y + 1); + JXDrawLine(display, drawable, gc, x + 1, y + 2, x + 1, y + height - 2); + + JXSetForeground(display, gc, bottomPixel); + JXDrawLine(display, drawable, gc, x + 1, y + height - 1, x + width - 1, + y + height - 1); + JXDrawLine(display, drawable, gc, x + width - 1, y + 1, x + width - 1, + y + height - 2); + + iconWidth = 0; + iconHeight = 0; + if(bp->icon) { + + if(width < height) { + GetScaledIconSize(bp->icon, width - 4, &iconWidth, &iconHeight); + } else { + GetScaledIconSize(bp->icon, height - 4, &iconWidth, &iconHeight); + } + + } + + textWidth = 0; + textHeight = 0; + if(bp->text) { + textWidth = GetStringWidth(bp->font, bp->text); + textHeight = GetStringHeight(bp->font); + if(textWidth + iconWidth + 10 > width) { + textWidth = width - iconWidth - 10; + if(textWidth < 0) { + textWidth = 0; + } + } + } + + switch(bp->alignment) { + case ALIGN_RIGHT: + xoffset = width - iconWidth - textWidth + 4; + if(xoffset < 4) { + xoffset = 4; + } + break; + case ALIGN_CENTER: + xoffset = width / 2 - (iconWidth + textWidth) / 2; + if(xoffset < 0) { + xoffset = 0; + } + break; + case ALIGN_LEFT: + default: + xoffset = 4; + break; + } + + if(bp->icon) { + yoffset = height / 2 - iconHeight / 2; + PutIcon(bp->icon, drawable, x + xoffset, y + yoffset, + iconWidth, iconHeight); + xoffset += iconWidth + 2; + } + + if(bp->text) { + yoffset = height / 2 - textHeight / 2; + RenderString(drawable, bp->font, fg, x + xoffset, y + yoffset, + textWidth, NULL, bp->text); + } + +} + +/*************************************************************************** + ***************************************************************************/ +void ResetButton(ButtonNode *bp, Drawable d, GC g) { + + Assert(bp); + + bp->type = BUTTON_MENU; + bp->drawable = d; + bp->gc = g; + bp->font = FONT_TRAY; + bp->alignment = ALIGN_LEFT; + bp->x = 0; + bp->y = 0; + bp->width = 1; + bp->height = 1; + bp->icon = NULL; + bp->text = NULL; + +} + +/*************************************************************************** + ***************************************************************************/ +void GetScaledIconSize(IconNode *ip, int maxsize, + int *width, int *height) { + + double ratio; + + Assert(ip); + Assert(width); + Assert(height); + + /* width to height */ + Assert(ip->image->height > 0); + ratio = (double)ip->image->width / ip->image->height; + + if(ip->image->width > ip->image->height) { + + /* Compute size wrt width */ + *width = maxsize * ratio; + *height = *width / ratio; + + } else { + + /* Compute size wrt height */ + *height = maxsize / ratio; + *width = *height * ratio; + + } + +} + |