diff options
| author | Thomas E. Dickey <dickey@invisible-island.net> | 2019-04-14 20:11:47 -0400 |
|---|---|---|
| committer | Thomas E. Dickey <dickey@invisible-island.net> | 2019-04-16 18:47:42 -0400 |
| commit | a3bb222d24c12dad2744039b8d5caa6ce05ca3bf (patch) | |
| tree | 8689e98f7ba443006efbf4d5bdc14d78b7e667ab /specs/CH09.xml | |
| parent | 346716ffe321ad24b839d9b17eee300b41c899c2 (diff) | |
formatted sample code to fit in 80 columns
Signed-off-by: Thomas E. Dickey <dickey@invisible-island.net>
Diffstat (limited to 'specs/CH09.xml')
| -rw-r--r-- | specs/CH09.xml | 121 |
1 files changed, 62 insertions, 59 deletions
diff --git a/specs/CH09.xml b/specs/CH09.xml index 822ee6a..f89962c 100644 --- a/specs/CH09.xml +++ b/specs/CH09.xml @@ -1944,68 +1944,71 @@ a function of the particular display (and colormap). <programlisting> #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; \\ - } + { \\ + 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) + 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; - return False; - } else { - *converter_data = (char *) True; - done(Pixel, &screenColor.pixel); - } + 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 { + *converter_data = (char *) True; + done(Pixel, &screenColor.pixel); + } } </programlisting> |