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authorashok <ashok>2014-09-12 03:23:54 (GMT)
committerashok <ashok>2014-09-12 03:23:54 (GMT)
commitb9910142a615ebfb889c49a568effbb3153ec636 (patch)
tree02d2a6445a5a5f695b545019cb8339213bae69fd
parent3b16bf978b446c5eb9dd0d0769ec26e1b89c6cc3 (diff)
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Started on new Vista-style file dialogs. Refactored option processing.
-rw-r--r--win/tkWinDialog.c195
1 files changed, 195 insertions, 0 deletions
diff --git a/win/tkWinDialog.c b/win/tkWinDialog.c
index baebfc9..ef4f7f6 100644
--- a/win/tkWinDialog.c
+++ b/win/tkWinDialog.c
@@ -145,6 +145,29 @@ typedef struct {
} ChooseDir;
/*
+ * The following structure is used to gather options used by various
+ * file dialogs
+ */
+typedef struct OFNOpts {
+ Tk_Window tkwin; /* Owner window for dialog */
+ char *extension; /* Default extension */
+ char *title; /* Title for dialog */
+ Tcl_Obj *filterObj; /* File type filter list */
+ Tcl_Obj *typeVariableObj; /* Variable in which to store type selected */
+ Tcl_Obj *initialTypeObj; /* Initial value of above, or NULL */
+ Tcl_DString utfDirString; /* Initial dir */
+ int multi; /* Multiple selection enabled */
+ int confirmOverwrite; /* Multiple selection enabled */
+ TCHAR file[TK_MULTI_MAX_PATH]; /* File name
+ XXX - fixed size because it was so
+ historically. Why not malloc'ed ?
+ XXX - also, TCHAR should really be WCHAR
+ because TkWinGetUnicodeEncoding is always
+ UCS2.
+ */
+} OFNOpts;
+
+/*
* The following structure is used to pass information between GetFileName
* function and OFN dialog hook procedures. [Bug 2896501, Patch 2898255]
*/
@@ -520,6 +543,178 @@ Tk_GetSaveFileObjCmd(
/*
*----------------------------------------------------------------------
*
+ * CleanupOFNOptions --
+ *
+ * Cleans up any storage allocated by ParseOFNOptions
+ *
+ * Results:
+ * None.
+ *
+ * Side effects:
+ * Releases resources held by *optsPtr
+ *----------------------------------------------------------------------
+ */
+static void CleanupOFNOptions(OFNOpts *optsPtr)
+{
+ Tcl_DStringFree(&optsPtr->utfDirString);
+}
+
+
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * ParseOFNOptions --
+ *
+ * Option parsing for tk_get{Open,Save}File
+ *
+ * Results:
+ * TCL_OK on success, TCL_ERROR otherwise
+ *
+ * Side effects:
+ * Returns option values in *optsPtr. Note these may include string
+ * pointers into objv[]
+ *----------------------------------------------------------------------
+ */
+
+static int
+ParseOFNOptions(
+ ClientData clientData, /* Main window associated with interpreter. */
+ Tcl_Interp *interp, /* Current interpreter. */
+ int objc, /* Number of arguments. */
+ Tcl_Obj *const objv[], /* Argument objects. */
+ int open, /* 1 for Open, 0 for Save */
+ OFNOpts *optsPtr) /* Output, uninitialized on entry */
+{
+ int i;
+ Tcl_DString ds;
+ enum options {
+ FILE_DEFAULT, FILE_TYPES, FILE_INITDIR, FILE_INITFILE, FILE_PARENT,
+ FILE_TITLE, FILE_TYPEVARIABLE, FILE_MULTIPLE, FILE_CONFIRMOW
+ };
+ struct Options {
+ const char *name;
+ enum options value;
+ };
+ static const struct Options saveOptions[] = {
+ {"-confirmoverwrite", FILE_CONFIRMOW},
+ {"-defaultextension", FILE_DEFAULT},
+ {"-filetypes", FILE_TYPES},
+ {"-initialdir", FILE_INITDIR},
+ {"-initialfile", FILE_INITFILE},
+ {"-parent", FILE_PARENT},
+ {"-title", FILE_TITLE},
+ {"-typevariable", FILE_TYPEVARIABLE},
+ {NULL, FILE_DEFAULT/*ignored*/ }
+ };
+ static const struct Options openOptions[] = {
+ {"-defaultextension", FILE_DEFAULT},
+ {"-filetypes", FILE_TYPES},
+ {"-initialdir", FILE_INITDIR},
+ {"-initialfile", FILE_INITFILE},
+ {"-multiple", FILE_MULTIPLE},
+ {"-parent", FILE_PARENT},
+ {"-title", FILE_TITLE},
+ {"-typevariable", FILE_TYPEVARIABLE},
+ {NULL, FILE_DEFAULT/*ignored*/ }
+ };
+ const struct Options *const options = open ? openOptions : saveOptions;
+
+ optsPtr->tkwin = clientData;
+ optsPtr->extension = NULL;
+ optsPtr->title = NULL;
+ optsPtr->filterObj = NULL;
+ optsPtr->typeVariableObj = NULL;
+ optsPtr->initialTypeObj = NULL;
+ optsPtr->multi = 0;
+ optsPtr->confirmOverwrite = 1; /* By default we ask for confirmation */
+ Tcl_DStringInit(&optsPtr->utfDirString);
+ optsPtr->file[0] = 0;
+
+ for (i = 1; i < objc; i += 2) {
+ int index;
+ const char *string;
+ Tcl_Obj *valuePtr = objv[i + 1];
+
+ if (Tcl_GetIndexFromObjStruct(interp, objv[i], options,
+ sizeof(struct Options), "option", 0, &index) != TCL_OK) {
+ goto end;
+ } else if (i + 1 == objc) {
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "value for \"%s\" missing", options[index].name));
+ Tcl_SetErrorCode(interp, "TK", "FILEDIALOG", "VALUE", NULL);
+ goto end;
+ }
+
+ string = Tcl_GetString(valuePtr);
+ switch (options[index].value) {
+ case FILE_DEFAULT:
+ if (string[0] == '.') {
+ string++;
+ }
+ optsPtr->extension = string;
+ break;
+ case FILE_TYPES:
+ optsPtr->filterObj = valuePtr;
+ break;
+ case FILE_INITDIR:
+ Tcl_DStringFree(&optsPtr->utfDirString);
+ if (Tcl_TranslateFileName(interp, string,
+ &optsPtr->utfDirString) == NULL) {
+ goto end;
+ }
+ break;
+ case FILE_INITFILE:
+ if (Tcl_TranslateFileName(interp, string, &ds) == NULL) {
+ goto end;
+ }
+ Tcl_UtfToExternal(NULL, TkWinGetUnicodeEncoding(),
+ Tcl_DStringValue(&ds), Tcl_DStringLength(&ds), 0, NULL,
+ (char *) &optsPtr->file[0], sizeof(optsPtr->file),
+ NULL, NULL, NULL);
+ Tcl_DStringFree(&ds);
+ break;
+ case FILE_PARENT:
+ /* XXX - check */
+ optsPtr->tkwin = Tk_NameToWindow(interp, string, clientData);
+ if (optsPtr->tkwin == NULL) {
+ goto end;
+ }
+ break;
+ case FILE_TITLE:
+ optsPtr->title = string;
+ break;
+ case FILE_TYPEVARIABLE:
+ optsPtr->typeVariableObj = valuePtr;
+ optsPtr->initialTypeObj = Tcl_ObjGetVar2(interp, valuePtr,
+ NULL, TCL_GLOBAL_ONLY);
+ break;
+ case FILE_MULTIPLE:
+ if (Tcl_GetBooleanFromObj(interp, valuePtr, &optsPtr->multi) != TCL_OK) {
+ return TCL_ERROR;
+ }
+ break;
+ case FILE_CONFIRMOW:
+ if (Tcl_GetBooleanFromObj(interp, valuePtr,
+ &optsPtr->confirmOverwrite) != TCL_OK) {
+ return TCL_ERROR;
+ }
+ break;
+ }
+ }
+
+ return TCL_OK;
+
+end: /* interp should already hold error */
+ CleanupOFNOptions(optsPtr);
+ return TCL_ERROR;
+}
+
+
+
+/*
+ *----------------------------------------------------------------------
+ *
* GetFileName --
*
* Calls GetOpenFileName() or GetSaveFileName().