diff options
Diffstat (limited to 'specs/CH09.xml')
| -rw-r--r-- | specs/CH09.xml | 164 |
1 files changed, 83 insertions, 81 deletions
diff --git a/specs/CH09.xml b/specs/CH09.xml index 913e734..12229b5 100644 --- a/specs/CH09.xml +++ b/specs/CH09.xml @@ -45,13 +45,13 @@ structure is </para> <literallayout > typedef struct { - String resource_name; - String resource_class; - String resource_type; - Cardinal resource_size; - Cardinal resource_offset; - String default_type; - XtPointer default_addr; + String resource_name; + String resource_class; + String resource_type; + Cardinal resource_size; + Cardinal resource_offset; + String default_type; + XtPointer default_addr; } XtResource, *XtResourceList; </literallayout> <para> @@ -128,8 +128,8 @@ Then, the resource file needs only two lines to change all pixels to ivory or darkblue: </para> <literallayout > -*Background: ivory -*Foreground: darkblue +*Background: ivory +*Foreground: darkblue </literallayout> <para> Similarly, a widget may have several font resources (such as normal and bold), @@ -138,7 +138,7 @@ Thus, changing all fonts simply requires only a single line in the default resource file: </para> <literallayout > -*Font: 6x13 +*Font: 6x13 </literallayout> <para> By convention, @@ -647,9 +647,9 @@ static XtResource resources[] = { XtOffsetOf(LabelRec, label.font), XtRString, XtDefaultFont}, {XtNlabel, XtCLabel, XtRString, sizeof(String), XtOffsetOf(LabelRec, label.label), XtRString, NULL}, - . - . - . + . + . + . } </literallayout> <para> @@ -1941,66 +1941,68 @@ a function of the particular display (and colormap). <literallayout > #define done(type, value) \\ - { \\ - if (toVal->addr != NULL) { \\ - if (toVal->size < sizeof(type)) { \\ - toVal->size = sizeof(type); \\ - return False; \\ - } \\ - *(type*)(toVal->addr) = (value); \\ - } \\ - else { \\ - static type static_val; \\ - static_val = (value); \\ - toVal->addr = (XPointer)&static_val; \\ - } \\ - toVal->size = sizeof(type); \\ - return True; \\ - } -static Boolean CvtStringToPixel(dpy, args, num_args, fromVal, toVal, converter_data) - Display *dpy; - XrmValue *args; - Cardinal *num_args; - XrmValue *fromVal; - XrmValue *toVal; - XtPointer *converter_data; + { \\ + if (toVal->addr != NULL) { \\ + if (toVal->size < sizeof(type)) { \\ + toVal->size = sizeof(type); \\ + return False; \\ + } \\ + *(type*)(toVal->addr) = (value); \\ + } \\ + else { \\ + static type static_val; \\ + static_val = (value); \\ + toVal->addr = (XPointer)&static_val; \\ + } \\ + toVal->size = sizeof(type); \\ + return True; \\ + } + +static Boolean CvtStringToPixel( + Display *dpy, + XrmValue *args, + Cardinal *num_args, + XrmValue *fromVal, + XrmValue *toVal, + XtPointer *converter_data) { - static XColor screenColor; - XColor exactColor; - Screen *screen; - Colormap colormap; - Status status; - if (*num_args != 2) - XtAppWarningMsg(XtDisplayToApplicationContext(dpy), - "wrongParameters", "cvtStringToPixel", "XtToolkitError", - "String to pixel conversion needs screen and colormap arguments", - (String *)NULL, (Cardinal *)NULL); - screen = *((Screen**) args[0].addr); - colormap = *((Colormap *) args[1].addr); - if (CompareISOLatin1(str, XtDefaultBackground) == 0) { - *closure_ret = False; - done(Pixel, WhitePixelOfScreen(screen)); - } - if (CompareISOLatin1(str, XtDefaultForeground) == 0) { - *closure_ret = False; - done(Pixel, BlackPixelOfScreen(screen)); - } - status = XAllocNamedColor(DisplayOfScreen(screen), colormap, (char*)fromVal->addr, - &screenColor, &exactColor); - if (status == 0) { - String params[1]; - Cardinal num_params = 1; - params[0] = (String)fromVal->addr; - XtAppWarningMsg(XtDisplayToApplicationContext(dpy), - "noColormap", "cvtStringToPixel", "XtToolkitError", - "Cannot allocate colormap entry for \\"%s\\"", params,\ - &num_params); - *converter_data = (char *) False; + static XColor screenColor; + XColor exactColor; + Screen *screen; + Colormap colormap; + Status status; + + if (*num_args != 2) + XtAppWarningMsg(XtDisplayToApplicationContext(dpy), + "wrongParameters", "cvtStringToPixel", "XtToolkitError", + "String to pixel conversion needs screen and colormap arguments", + (String *)NULL, (Cardinal *)NULL); + screen = *((Screen**) args[0].addr); + colormap = *((Colormap *) args[1].addr); + if (CompareISOLatin1(str, XtDefaultBackground) == 0) { + *closure_ret = False; + done(Pixel, WhitePixelOfScreen(screen)); + } + if (CompareISOLatin1(str, XtDefaultForeground) == 0) { + *closure_ret = False; + done(Pixel, BlackPixelOfScreen(screen)); + } + status = XAllocNamedColor(DisplayOfScreen(screen), colormap, (char*)fromVal->addr, + &screenColor, &exactColor); + if (status == 0) { + String params[1]; + Cardinal num_params = 1; + params[0] = (String)fromVal->addr; + XtAppWarningMsg(XtDisplayToApplicationContext(dpy), + "noColormap", "cvtStringToPixel", "XtToolkitError", + "Cannot allocate colormap entry for \\"%s\\"", + params, &num_params); + *converter_data = (char *) False; return False; - } else { + } else { *converter_data = (char *) True; - done(Pixel, &screenColor.pixel); - } + done(Pixel, &screenColor.pixel); + } } </literallayout> @@ -2510,20 +2512,20 @@ These are defined in </para> <literallayout > typedef enum { - /* address mode parameter representation */ - XtAddress, /* address */ - XtBaseOffset, /* offset */ - XtImmediate, /* constant */ - XtResourceString, /* resource name string */ - XtResourceQuark, /* resource name quark */ - XtWidgetBaseOffset, /* offset */ - XtProcedureArg /* procedure to call */ + /* address mode parameter representation */ + XtAddress, /* address */ + XtBaseOffset, /* offset */ + XtImmediate, /* constant */ + XtResourceString, /* resource name string */ + XtResourceQuark, /* resource name quark */ + XtWidgetBaseOffset, /* offset */ + XtProcedureArg /* procedure to call */ } XtAddressMode; typedef struct { - XtAddressMode address_mode; - XtPointer address_id; - Cardinal size; + XtAddressMode address_mode; + XtPointer address_id; + Cardinal size; } XtConvertArgRec, *XtConvertArgList; </literallayout> <para> |