| Forum List • Thread List • Refresh • New Topic • Search • Previous • Next  1  |  1. Using Drag and Drop files#13587 Posted by: DougA 2012-03-06 02:05:52 | I've got a simple program that has three text controls that I wish to drop files onto.
Which simply doesn't work. No evidence that the WM_DROPFILES is being called.
If I activate the 'accept files' at the window level, and drop files onto the window, that works.
What gives ?
/*
GUIBEGIN
WINDOW , 207, 167, 400, 200, POPUP|CAPTION|SYSMENU|MINBOX|MAXBOX|THICK, FILES, Audio File Convert
FONT 8, 400, MS Shell Dlg
TEXT 6, 137, 389, 55, SUNKEN|GROUP, , ConBox, , Console box
PUSH 347, 113, 40, 14, TABSTOP, , ExitButton, , Exit
TEXT 13, 23, 106, 85, CENTER|VCENTER|GROUP, MODALFRAME|FILES|CLIENTEDGE, Convert_to_FLAC, , Convert to FLAC
TEXT 137, 23, 106, 85, CENTER|VCENTER|GROUP, MODALFRAME|FILES|CLIENTEDGE, Convert_to_WAV, , Convert to WAV
TEXT 262, 23, 106, 85, CENTER|VCENTER|GROUP, MODALFRAME|FILES|CLIENTEDGE, Convert_to_MP3, , Convert to MP3
DEND
GUIEND
*/
Options "CASELESS"
LIBRARY rexxgui, RxConsole
DO
/* Register some Windows OS functions that we'll need to call when
* we get the WM_DROPFILES message.
*/
FUNCDEF("DragAcceptFiles", ", void, 32u", "shell32")
FUNCDEF("DragQueryCount", "32u, void, 32, void, void", "shell32", "DragQueryFile")
FUNCDEF("DragQueryFile", "32u, void, 32u, str[260] stor, 32u", "shell32")
CATCH FAILURE
CONDITION("M")
RETURN
END
RootDir = directory() /* Start up directory */
GuiErr = "SYNTAX"
GuiHeading = 1
GuiCreateWindow('NORMAL')
DO FOREVER
GuiGetMsg()
IF EXISTS('GuiObject') == 0 THEN DO
IF EXISTS('GuiSignal') THEN DO
If GuiSignal = 'CLOSE' then leave
END
END
CATCH SYNTAX
CONDITION()
CATCH HALT
FINALLY
GuiDestroyWindow()
END
RETURN
/* Create console by converting 'ConBox'
* ConSay(Con1,'text' <,'NOBREAK'>)
* GuiGetMsg("CLEAR") to force console update
* ConClear(Con1)
* text = ConPull(Con1)
* use "CHILD | NODEFAULT" on second+ con windows
*/
wm_initdialog:
guigetctlplacement('ConBox','ConX' ,'ConY' , 'ConWidth', 'ConHeight')
GuiRemoveCtl('ConBox')
concreate('Con1', guiwindow, "CHILD | NODEFAULT",ConX, ConY, ConWidth, ConHeight)
consetlimit(Con1,5000)
RETURN ""
WM_CLICK_ExitButton:
GuiWake('CLOSE')
RETURN
/* ================== WM_DROPFILES ==================
* This handles the DROPFILES message for my window.
*
* Reginald calls this when the user drops some
* file icons on our window, or some control in our
* window.
*
* ARG(1) is a handle that we'll need to pass to
* some other OS functions in order to enumerate
* the names of all files dropped on our window.
*
* If the files were dropped on some control, then
* ARG(2) is a handle to that control. If they were
* dropped on the window itself, then ARG(2) is GuiWindow.
*/
WM_DROPFILES:
/* Get the count of how many icons were simultaneously
* dragged and dropped on our window. (There could be
* more than one icon).
*/
ConSay(con1,"Begin: DROPFILES")
count = DragQueryCount(ARG(1), -1)
IF ARG(2) == GuiWindow THEN DO /* dropped on window ? */
ConSay(Con1,"There were" count "icons dropped on this window.")
variable = ""
END
ELSE DO /* dropped on variable */
/* Get the REXX variable associated with the control handle. NOTE:
* The returned variable name is upper-cased.
*/
variable = GuiInfo("VARIABLE", ARG(2))
ConSay(Con1,"There were" count "icons dropped on" variable || ".")
END
/* Get the name of each one of those icons' files.
* We loop around a call to DragQueryFile(), and the
* second arg tells which file's name we want. The
* first file is number 0, the second file is number
* 1, the third is number 2, etc.
*
* DragQueryFile() will return the file's name in
* whatever variable we pass as the third arg. Below,
* we use a variable named "SourceName".
*/
DO i = 1 TO count
DragQueryFile(ARG(1), i - 1, SourceName, 260)
path("FileName",SourceName,'J')
/* Returns FileName.0 = drive
.1 = directory(s)
.2 = filename (with ext if 'J'option)
.3 = extension (if 'J' not used)
*/
ConSay(con1,SourceName)
GuiGetMsg("CLEAR")
END
/* If we handle WM_DROPFILES, we return an empty string */
RETURN ""Doug | | Forum List • Thread List • Refresh • New Topic • Search • Previous • Next 1 |
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