diff options
Diffstat (limited to 'generic/ttk/ttkClassicTheme.c')
| -rw-r--r-- | generic/ttk/ttkClassicTheme.c | 513 |
1 files changed, 513 insertions, 0 deletions
diff --git a/generic/ttk/ttkClassicTheme.c b/generic/ttk/ttkClassicTheme.c new file mode 100644 index 0000000..2fbcd76 --- /dev/null +++ b/generic/ttk/ttkClassicTheme.c @@ -0,0 +1,513 @@ +/* + * Copyright (c) 2004, Joe English + * + * "classic" theme; implements the classic Motif-like Tk look. + * + */ + +#include <tk.h> +#include <X11/Xlib.h> +#include <X11/Xutil.h> +#include "ttkTheme.h" + +#define DEFAULT_BORDERWIDTH "2" +#define DEFAULT_ARROW_SIZE "15" + +/*---------------------------------------------------------------------- + * +++ Highlight element implementation. + * Draw a solid highlight border to indicate focus. + */ + +typedef struct { + Tcl_Obj *highlightColorObj; + Tcl_Obj *highlightThicknessObj; +} HighlightElement; + +static Ttk_ElementOptionSpec HighlightElementOptions[] = { + { "-highlightcolor",TK_OPTION_COLOR, + Tk_Offset(HighlightElement,highlightColorObj), DEFAULT_BACKGROUND }, + { "-highlightthickness",TK_OPTION_PIXELS, + Tk_Offset(HighlightElement,highlightThicknessObj), "0" }, + { NULL, 0, 0, NULL } +}; + +static void HighlightElementSize( + void *clientData, void *elementRecord, Tk_Window tkwin, + int *widthPtr, int *heightPtr, Ttk_Padding *paddingPtr) +{ + HighlightElement *hl = elementRecord; + int highlightThickness = 0; + + Tcl_GetIntFromObj(NULL,hl->highlightThicknessObj,&highlightThickness); + *paddingPtr = Ttk_UniformPadding((short)highlightThickness); +} + +static void HighlightElementDraw( + void *clientData, void *elementRecord, Tk_Window tkwin, + Drawable d, Ttk_Box b, unsigned int state) +{ + HighlightElement *hl = elementRecord; + int highlightThickness = 0; + XColor *highlightColor = Tk_GetColorFromObj(tkwin, hl->highlightColorObj); + + Tcl_GetIntFromObj(NULL,hl->highlightThicknessObj,&highlightThickness); + if (highlightColor && highlightThickness > 0) { + GC gc = Tk_GCForColor(highlightColor, d); + Tk_DrawFocusHighlight(tkwin, gc, highlightThickness, d); + } +} + +static Ttk_ElementSpec HighlightElementSpec = +{ + TK_STYLE_VERSION_2, + sizeof(HighlightElement), + HighlightElementOptions, + HighlightElementSize, + HighlightElementDraw +}; + +/*------------------------------------------------------------------------ + * +++ Button Border element: + * + * The Motif-style button border on X11 consists of (from outside-in): + * + * + focus indicator (controlled by -highlightcolor and -highlightthickness), + * + default ring (if -default active; blank if -default normal) + * + shaded border (controlled by -background, -borderwidth, and -relief) + */ + +typedef struct { + Tcl_Obj *borderObj; + Tcl_Obj *borderWidthObj; + Tcl_Obj *reliefObj; + Tcl_Obj *defaultStateObj; +} ButtonBorderElement; + +static Ttk_ElementOptionSpec ButtonBorderElementOptions[] = +{ + { "-background", TK_OPTION_BORDER, + Tk_Offset(ButtonBorderElement,borderObj), DEFAULT_BACKGROUND }, + { "-borderwidth", TK_OPTION_PIXELS, + Tk_Offset(ButtonBorderElement,borderWidthObj), DEFAULT_BORDERWIDTH }, + { "-relief", TK_OPTION_RELIEF, + Tk_Offset(ButtonBorderElement,reliefObj), "flat" }, + { "-default", TK_OPTION_ANY, + Tk_Offset(ButtonBorderElement,defaultStateObj), "disabled" }, + { NULL, 0, 0, NULL } +}; + +static void ButtonBorderElementSize( + void *clientData, void *elementRecord, Tk_Window tkwin, + int *widthPtr, int *heightPtr, Ttk_Padding *paddingPtr) +{ + ButtonBorderElement *bd = elementRecord; + int defaultState = TTK_BUTTON_DEFAULT_DISABLED; + int borderWidth = 0; + + Tcl_GetIntFromObj(NULL, bd->borderWidthObj, &borderWidth); + Ttk_GetButtonDefaultStateFromObj(NULL, bd->defaultStateObj, &defaultState); + + if (defaultState != TTK_BUTTON_DEFAULT_DISABLED) { + borderWidth += 5; + } + *paddingPtr = Ttk_UniformPadding((short)borderWidth); +} + +/* + * (@@@ Note: ButtonBorderElement still still still buggy: + * padding for default ring is drawn in the wrong color + * when the button is active.) + */ +static void ButtonBorderElementDraw( + void *clientData, void *elementRecord, Tk_Window tkwin, + Drawable d, Ttk_Box b, unsigned int state) +{ + ButtonBorderElement *bd = elementRecord; + Tk_3DBorder border = NULL; + int borderWidth = 1, relief = TK_RELIEF_FLAT; + int defaultState = TTK_BUTTON_DEFAULT_DISABLED; + int inset = 0; + + /* + * Get option values. + */ + border = Tk_Get3DBorderFromObj(tkwin, bd->borderObj); + Tcl_GetIntFromObj(NULL, bd->borderWidthObj, &borderWidth); + Tk_GetReliefFromObj(NULL, bd->reliefObj, &relief); + Ttk_GetButtonDefaultStateFromObj(NULL, bd->defaultStateObj, &defaultState); + + /* + * Default ring: + */ + switch (defaultState) + { + case TTK_BUTTON_DEFAULT_DISABLED : + break; + case TTK_BUTTON_DEFAULT_NORMAL : + inset += 5; + break; + case TTK_BUTTON_DEFAULT_ACTIVE : + Tk_Draw3DRectangle(tkwin, d, border, + b.x+inset, b.y+inset, b.width - 2*inset, b.height - 2*inset, + 2, TK_RELIEF_FLAT); + inset += 2; + Tk_Draw3DRectangle(tkwin, d, border, + b.x+inset, b.y+inset, b.width - 2*inset, b.height - 2*inset, + 1, TK_RELIEF_SUNKEN); + ++inset; + Tk_Draw3DRectangle(tkwin, d, border, + b.x+inset, b.y+inset, b.width - 2*inset, b.height - 2*inset, + 2, TK_RELIEF_FLAT); + inset += 2; + break; + } + + /* + * 3-D border: + */ + if (border && borderWidth > 0) { + Tk_Draw3DRectangle(tkwin, d, border, + b.x+inset, b.y+inset, b.width - 2*inset, b.height - 2*inset, + borderWidth,relief); + } +} + +static Ttk_ElementSpec ButtonBorderElementSpec = +{ + TK_STYLE_VERSION_2, + sizeof(ButtonBorderElement), + ButtonBorderElementOptions, + ButtonBorderElementSize, + ButtonBorderElementDraw +}; + +/*---------------------------------------------------------------------- + * +++ Arrow element(s). + * + * Draws a 3-D shaded triangle. + * clientData is an enum ArrowDirection pointer. + */ + +static int ArrowElements[] = { ARROW_UP, ARROW_DOWN, ARROW_LEFT, ARROW_RIGHT }; +typedef struct +{ + Tcl_Obj *sizeObj; + Tcl_Obj *borderObj; + Tcl_Obj *borderWidthObj; + Tcl_Obj *reliefObj; +} ArrowElement; + +static Ttk_ElementOptionSpec ArrowElementOptions[] = +{ + { "-arrowsize", TK_OPTION_PIXELS, Tk_Offset(ArrowElement,sizeObj), + DEFAULT_ARROW_SIZE }, + { "-background", TK_OPTION_BORDER, Tk_Offset(ArrowElement,borderObj), + DEFAULT_BACKGROUND }, + { "-borderwidth", TK_OPTION_PIXELS, Tk_Offset(ArrowElement,borderWidthObj), + DEFAULT_BORDERWIDTH }, + { "-relief", TK_OPTION_RELIEF, Tk_Offset(ArrowElement,reliefObj),"raised" }, + { NULL, 0, 0, NULL } +}; + +static void ArrowElementSize( + void *clientData, void *elementRecord, Tk_Window tkwin, + int *widthPtr, int *heightPtr, Ttk_Padding *paddingPtr) +{ + ArrowElement *arrow = elementRecord; + int size = 12; + + Tk_GetPixelsFromObj(NULL, tkwin, arrow->sizeObj, &size); + *widthPtr = *heightPtr = size; +} + +static void ArrowElementDraw( + void *clientData, void *elementRecord, Tk_Window tkwin, + Drawable d, Ttk_Box b, unsigned int state) +{ + int direction = *(int *)clientData; + ArrowElement *arrow = elementRecord; + Tk_3DBorder border = Tk_Get3DBorderFromObj(tkwin, arrow->borderObj); + int borderWidth = 2; + int relief = TK_RELIEF_RAISED; + int size = b.width < b.height ? b.width : b.height; + XPoint points[3]; + + Tk_GetPixelsFromObj(NULL, tkwin, arrow->borderWidthObj, &borderWidth); + Tk_GetReliefFromObj(NULL, arrow->reliefObj, &relief); + + + /* + * @@@ There are off-by-one pixel errors in the way these are drawn; + * @@@ need to take a look at Tk_Fill3DPolygon and X11 to find the + * @@@ exact rules. + */ + switch (direction) + { + case ARROW_UP: + points[2].x = b.x; points[2].y = b.y + size; + points[1].x = b.x + size/2; points[1].y = b.y; + points[0].x = b.x + size; points[0].y = b.y + size; + break; + case ARROW_DOWN: + points[0].x = b.x; points[0].y = b.y; + points[1].x = b.x + size/2; points[1].y = b.y + size; + points[2].x = b.x + size; points[2].y = b.y; + break; + case ARROW_LEFT: + points[0].x = b.x; points[0].y = b.y + size / 2; + points[1].x = b.x + size; points[1].y = b.y + size; + points[2].x = b.x + size; points[2].y = b.y; + break; + case ARROW_RIGHT: + points[0].x = b.x + size; points[0].y = b.y + size / 2; + points[1].x = b.x; points[1].y = b.y; + points[2].x = b.x; points[2].y = b.y + size; + break; + } + + Tk_Fill3DPolygon(tkwin, d, border, points, 3, borderWidth, relief); +} + +static Ttk_ElementSpec ArrowElementSpec = +{ + TK_STYLE_VERSION_2, + sizeof(ArrowElement), + ArrowElementOptions, + ArrowElementSize, + ArrowElementDraw +}; + + +/*------------------------------------------------------------------------ + * +++ Sash element (for ttk::panedwindow) + * + * NOTES: + * + * panedwindows with -orient horizontal use vertical sashes, and vice versa. + * + * Interpretation of -sashrelief 'groove' and 'ridge' are + * swapped wrt. the core panedwindow, which (I think) has them backwards. + * + * Default -sashrelief is sunken; the core panedwindow has default + * -sashrelief raised, but that looks wrong to me. + */ + +static Ttk_Orient SashClientData[] = { + TTK_ORIENT_HORIZONTAL, TTK_ORIENT_VERTICAL +}; + +typedef struct { + Tcl_Obj *borderObj; /* background color */ + Tcl_Obj *sashReliefObj; /* sash relief */ + Tcl_Obj *sashThicknessObj; /* overall thickness of sash */ + Tcl_Obj *sashPadObj; /* padding on either side of handle */ + Tcl_Obj *handleSizeObj; /* handle width and height */ + Tcl_Obj *handlePadObj; /* handle's distance from edge */ +} SashElement; + +static Ttk_ElementOptionSpec SashOptions[] = { + { "-background", TK_OPTION_BORDER, + Tk_Offset(SashElement,borderObj), DEFAULT_BACKGROUND }, + { "-sashrelief", TK_OPTION_RELIEF, + Tk_Offset(SashElement,sashReliefObj), "sunken" }, + { "-sashthickness", TK_OPTION_PIXELS, + Tk_Offset(SashElement,sashThicknessObj), "6" }, + { "-sashpad", TK_OPTION_PIXELS, + Tk_Offset(SashElement,sashPadObj), "2" }, + { "-handlesize", TK_OPTION_PIXELS, + Tk_Offset(SashElement,handleSizeObj), "8" }, + { "-handlepad", TK_OPTION_PIXELS, + Tk_Offset(SashElement,handlePadObj), "8" }, + { NULL, 0, 0, NULL } +}; + +static void SashElementSize( + void *clientData, void *elementRecord, Tk_Window tkwin, + int *widthPtr, int *heightPtr, Ttk_Padding *paddingPtr) +{ + SashElement *sash = elementRecord; + int sashPad = 2, sashThickness = 6, handleSize = 8; + int horizontal = *((Ttk_Orient*)clientData) == TTK_ORIENT_HORIZONTAL; + + Tk_GetPixelsFromObj(NULL, tkwin, sash->sashThicknessObj, &sashThickness); + Tk_GetPixelsFromObj(NULL, tkwin, sash->handleSizeObj, &handleSize); + Tk_GetPixelsFromObj(NULL, tkwin, sash->sashPadObj, &sashPad); + + if (sashThickness < handleSize + 2*sashPad) + sashThickness = handleSize + 2*sashPad; + + if (horizontal) + *heightPtr = sashThickness; + else + *widthPtr = sashThickness; +} + +static void SashElementDraw( + void *clientData, void *elementRecord, Tk_Window tkwin, + Drawable d, Ttk_Box b, Ttk_State state) +{ + SashElement *sash = elementRecord; + Tk_3DBorder border = Tk_Get3DBorderFromObj(tkwin, sash->borderObj); + GC gc1,gc2; + int relief = TK_RELIEF_RAISED; + int handleSize = 8, handlePad = 8; + int horizontal = *((Ttk_Orient*)clientData) == TTK_ORIENT_HORIZONTAL; + Ttk_Box hb; + + Tk_GetPixelsFromObj(NULL, tkwin, sash->handleSizeObj, &handleSize); + Tk_GetPixelsFromObj(NULL, tkwin, sash->handlePadObj, &handlePad); + Tk_GetReliefFromObj(NULL, sash->sashReliefObj, &relief); + + switch (relief) { + case TK_RELIEF_RAISED: case TK_RELIEF_RIDGE: + gc1 = Tk_3DBorderGC(tkwin, border, TK_3D_LIGHT_GC); + gc2 = Tk_3DBorderGC(tkwin, border, TK_3D_DARK_GC); + break; + case TK_RELIEF_SUNKEN: case TK_RELIEF_GROOVE: + gc1 = Tk_3DBorderGC(tkwin, border, TK_3D_DARK_GC); + gc2 = Tk_3DBorderGC(tkwin, border, TK_3D_LIGHT_GC); + break; + case TK_RELIEF_SOLID: + gc1 = gc2 = Tk_3DBorderGC(tkwin, border, TK_3D_DARK_GC); + break; + case TK_RELIEF_FLAT: + default: + gc1 = gc2 = Tk_3DBorderGC(tkwin, border, TK_3D_FLAT_GC); + break; + } + + /* Draw sash line: + */ + if (horizontal) { + int y = b.y + b.height/2 - 1; + XDrawLine(Tk_Display(tkwin), d, gc1, b.x, y, b.x+b.width, y); ++y; + XDrawLine(Tk_Display(tkwin), d, gc2, b.x, y, b.x+b.width, y); + } else { + int x = b.x + b.width/2 - 1; + XDrawLine(Tk_Display(tkwin), d, gc1, x, b.y, x, b.y+b.height); ++x; + XDrawLine(Tk_Display(tkwin), d, gc2, x, b.y, x, b.y+b.height); + } + + /* Draw handle: + */ + if (handleSize >= 0) { + if (horizontal) { + hb = Ttk_StickBox(b, handleSize, handleSize, TTK_STICK_W); + hb.x += handlePad; + } else { + hb = Ttk_StickBox(b, handleSize, handleSize, TTK_STICK_N); + hb.y += handlePad; + } + Tk_Fill3DRectangle(tkwin, d, border, + hb.x, hb.y, hb.width, hb.height, 1, TK_RELIEF_RAISED); + } +} + +static Ttk_ElementSpec SashElementSpec = { + TK_STYLE_VERSION_2, + sizeof(SashElement), + SashOptions, + SashElementSize, + SashElementDraw +}; + +/*------------------------------------------------------------------------ + * +++ Widget layouts. + */ + +TTK_BEGIN_LAYOUT_TABLE(LayoutTable) + +TTK_LAYOUT("TButton", + TTK_GROUP("Button.highlight", TTK_FILL_BOTH, + TTK_GROUP("Button.border", TTK_FILL_BOTH|TTK_BORDER, + TTK_GROUP("Button.padding", TTK_FILL_BOTH, + TTK_NODE("Button.label", TTK_FILL_BOTH))))) + +TTK_LAYOUT("TCheckbutton", + TTK_GROUP("Checkbutton.highlight", TTK_FILL_BOTH, + TTK_GROUP("Checkbutton.border", TTK_FILL_BOTH, + TTK_GROUP("Checkbutton.padding", TTK_FILL_BOTH, + TTK_NODE("Checkbutton.indicator", TTK_PACK_LEFT) + TTK_NODE("Checkbutton.label", TTK_PACK_LEFT|TTK_FILL_BOTH))))) + +TTK_LAYOUT("TRadiobutton", + TTK_GROUP("Radiobutton.highlight", TTK_FILL_BOTH, + TTK_GROUP("Radiobutton.border", TTK_FILL_BOTH, + TTK_GROUP("Radiobutton.padding", TTK_FILL_BOTH, + TTK_NODE("Radiobutton.indicator", TTK_PACK_LEFT) + TTK_NODE("Radiobutton.label", TTK_PACK_LEFT|TTK_FILL_BOTH))))) + +TTK_LAYOUT("TMenubutton", + TTK_GROUP("Menubutton.highlight", TTK_FILL_BOTH, + TTK_GROUP("Menubutton.border", TTK_FILL_BOTH, + TTK_NODE("Menubutton.indicator", TTK_PACK_RIGHT) + TTK_GROUP("Menubutton.padding", TTK_PACK_LEFT|TTK_EXPAND|TTK_FILL_X, + TTK_NODE("Menubutton.label", 0))))) + +/* "classic" entry, includes highlight border */ +TTK_LAYOUT("TEntry", + TTK_GROUP("Entry.highlight", TTK_FILL_BOTH, + TTK_GROUP("Entry.field", TTK_FILL_BOTH|TTK_BORDER, + TTK_GROUP("Entry.padding", TTK_FILL_BOTH, + TTK_NODE("Entry.textarea", TTK_FILL_BOTH))))) + +/* Notebook tabs -- omit focus ring */ +TTK_LAYOUT("Tab", + TTK_GROUP("Notebook.tab", TTK_FILL_BOTH, + TTK_GROUP("Notebook.padding", TTK_FILL_BOTH, + TTK_NODE("Notebook.label", TTK_FILL_BOTH)))) + +TTK_END_LAYOUT_TABLE + +/* POSSIBLY: include Scale layouts w/focus border + */ + +/*------------------------------------------------------------------------ + * TtkClassicTheme_Init -- + * Install classic theme. + */ + +MODULE_SCOPE int TtkClassicTheme_Init(Tcl_Interp *interp) +{ + Ttk_Theme theme = Ttk_CreateTheme(interp, "classic", NULL); + + if (!theme) { + return TCL_ERROR; + } + + /* + * Register elements: + */ + Ttk_RegisterElement(interp, theme, "highlight", + &HighlightElementSpec, NULL); + + Ttk_RegisterElement(interp, theme, "Button.border", + &ButtonBorderElementSpec, NULL); + + Ttk_RegisterElement(interp, theme, "uparrow", + &ArrowElementSpec, &ArrowElements[0]); + Ttk_RegisterElement(interp, theme, "downarrow", + &ArrowElementSpec, &ArrowElements[1]); + Ttk_RegisterElement(interp, theme, "leftarrow", + &ArrowElementSpec, &ArrowElements[2]); + Ttk_RegisterElement(interp, theme, "rightarrow", + &ArrowElementSpec, &ArrowElements[3]); + Ttk_RegisterElement(interp, theme, "arrow", + &ArrowElementSpec, &ArrowElements[0]); + + Ttk_RegisterElement(interp, theme, "hsash", + &SashElementSpec, &SashClientData[0]); + Ttk_RegisterElement(interp, theme, "vsash", + &SashElementSpec, &SashClientData[1]); + + /* + * Register layouts: + */ + Ttk_RegisterLayouts(theme, LayoutTable); + + Tcl_PkgProvide(interp, "ttk::theme::classic", TTK_VERSION); + + return TCL_OK; +} + +/*EOF*/ |