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authorPietro Gagliardi <[email protected]>2016-05-30 00:14:46 -0400
committerPietro Gagliardi <[email protected]>2016-05-30 00:14:46 -0400
commit52f7d276a6bb04b8827ac019ad1e135b43819cea (patch)
tree5f0ebbfdf5885ef832e77e243b5916e59f46ba18 /prev/common_windows.c
parentc9b32c1333e4009b342eedc5f5b39127a724fb42 (diff)
Removed prev/.
Diffstat (limited to 'prev/common_windows.c')
-rw-r--r--prev/common_windows.c165
1 files changed, 0 insertions, 165 deletions
diff --git a/prev/common_windows.c b/prev/common_windows.c
deleted file mode 100644
index d1447f6..0000000
--- a/prev/common_windows.c
+++ /dev/null
@@ -1,165 +0,0 @@
-// 17 july 2014
-
-#include "winapi_windows.h"
-#include "_cgo_export.h"
-
-LRESULT getWindowTextLen(HWND hwnd)
-{
- return SendMessageW(hwnd, WM_GETTEXTLENGTH, 0, 0);
-}
-
-void getWindowText(HWND hwnd, WPARAM n, LPWSTR buf)
-{
- SetLastError(0);
- if (SendMessageW(hwnd, WM_GETTEXT, n + 1, (LPARAM) buf) != (LRESULT) n)
- xpanic("WM_GETTEXT did not copy the correct number of characters out", GetLastError());
-}
-
-void setWindowText(HWND hwnd, LPWSTR text)
-{
- switch (SendMessageW(hwnd, WM_SETTEXT, 0, (LPARAM) text)) {
- case FALSE:
- xpanic("WM_SETTEXT failed", GetLastError());
- }
-}
-
-void updateWindow(HWND hwnd)
-{
- if (UpdateWindow(hwnd) == 0)
- xpanic("error calling UpdateWindow()", GetLastError());
-}
-
-void *getWindowData(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam, LRESULT *lResult)
-{
- CREATESTRUCTW *cs = (CREATESTRUCTW *) lParam;
- void *data;
-
- data = (void *) GetWindowLongPtrW(hwnd, GWLP_USERDATA);
- if (data == NULL) {
- // the lpParam is available during WM_NCCREATE and WM_CREATE
- if (uMsg == WM_NCCREATE)
- SetWindowLongPtrW(hwnd, GWLP_USERDATA, (LONG_PTR) (cs->lpCreateParams));
- // act as if we're not ready yet, even during WM_NCCREATE (nothing important to the switch statement below happens here anyway)
- *lResult = DefWindowProcW(hwnd, uMsg, wParam, lParam);
- }
- return data;
-}
-
-// this is a helper function that takes the logic of determining window classes and puts it all in one place
-// there are a number of places where we need to know what window class an arbitrary handle has
-// theoretically we could use the class atom to avoid a _wcsicmp()
-// however, raymond chen advises against this - http://blogs.msdn.com/b/oldnewthing/archive/2004/10/11/240744.aspx (and we're not in control of the Tab class, before you say anything)
-// usage: windowClassOf(hwnd, L"class 1", L"class 2", ..., NULL)
-int windowClassOf(HWND hwnd, ...)
-{
-// MSDN says 256 is the maximum length of a class name; add a few characters just to be safe (because it doesn't say whether this includes the terminating null character)
-#define maxClassName 260
- WCHAR classname[maxClassName + 1];
- va_list ap;
- WCHAR *curname;
- int i;
-
- if (GetClassNameW(hwnd, classname, maxClassName) == 0)
- xpanic("error getting name of window class in windowClassOf()", GetLastError());
- va_start(ap, hwnd);
- i = 0;
- for (;;) {
- curname = va_arg(ap, WCHAR *);
- if (curname == NULL)
- break;
- if (_wcsicmp(classname, curname) == 0) {
- va_end(ap);
- return i;
- }
- i++;
- }
- // no match
- va_end(ap);
- return -1;
-}
-
-/*
-all container windows (including the message-only window, hence this is not in container_windows.c) have to call the sharedWndProc() to ensure messages go in the right place and control colors are handled properly
-*/
-
-/*
-all controls that have events receive the events themselves through subclasses
-to do this, all container windows (including the message-only window; see http://support.microsoft.com/default.aspx?scid=KB;EN-US;Q104069) forward WM_COMMAND to each control with this function, WM_NOTIFY with forwardNotify, etc.
-*/
-static LRESULT forwardCommand(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
-{
- HWND control = (HWND) lParam;
-
- // don't generate an event if the control (if there is one) is unparented (a child of the message-only window)
- if (control != NULL && IsChild(msgwin, control) == 0)
- return SendMessageW(control, msgCOMMAND, wParam, lParam);
- return DefWindowProcW(hwnd, uMsg, wParam, lParam);
-}
-
-static LRESULT forwardNotify(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
-{
- NMHDR *nmhdr = (NMHDR *) lParam;
- HWND control = nmhdr->hwndFrom;
-
- // don't generate an event if the control (if there is one) is unparented (a child of the message-only window)
- if (control != NULL && IsChild(msgwin, control) == 0)
- return SendMessageW(control, msgNOTIFY, wParam, lParam);
- return DefWindowProcW(hwnd, uMsg, wParam, lParam);
-}
-
-BOOL sharedWndProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam, LRESULT *lResult)
-{
- switch (uMsg) {
- case WM_COMMAND:
- *lResult = forwardCommand(hwnd, uMsg, wParam, lParam);
- return TRUE;
- case WM_NOTIFY:
- *lResult = forwardNotify(hwnd, uMsg, wParam, lParam);
- return TRUE;
- case WM_CTLCOLORSTATIC:
- case WM_CTLCOLORBTN:
- // read-only TextFields and Textboxes are exempt
- // this is because read-only edit controls count under WM_CTLCOLORSTATIC
- if (windowClassOf((HWND) lParam, L"edit", NULL) == 0)
- if (textfieldReadOnly((HWND) lParam))
- return FALSE;
- if (SetBkMode((HDC) wParam, TRANSPARENT) == 0)
- xpanic("error setting transparent background mode to Labels", GetLastError());
- paintControlBackground((HWND) lParam, (HDC) wParam);
- *lResult = (LRESULT) hollowBrush;
- return TRUE;
- }
- return FALSE;
-}
-
-void paintControlBackground(HWND hwnd, HDC dc)
-{
- HWND parent;
- RECT r;
- POINT p, pOrig;
-
- parent = hwnd;
- for (;;) {
- parent = GetParent(parent);
- if (parent == NULL)
- xpanic("error getting parent control of control in paintControlBackground()", GetLastError());
- // wine sends these messages early, yay...
- if (parent == msgwin)
- return;
- // skip groupboxes; they're (supposed to be) transparent
- if (windowClassOf(parent, L"button", NULL) != 0)
- break;
- }
- if (GetWindowRect(hwnd, &r) == 0)
- xpanic("error getting control's window rect in paintControlBackground()", GetLastError());
- // the above is a window rect; convert to client rect
- p.x = r.left;
- p.y = r.top;
- if (ScreenToClient(parent, &p) == 0)
- xpanic("error getting client origin of control in paintControlBackground()", GetLastError());
- if (SetWindowOrgEx(dc, p.x, p.y, &pOrig) == 0)
- xpanic("error moving window origin in paintControlBackground()", GetLastError());
- SendMessageW(parent, WM_PRINTCLIENT, (WPARAM) dc, PRF_CLIENT);
- if (SetWindowOrgEx(dc, pOrig.x, pOrig.y, NULL) == 0)
- xpanic("error resetting window origin in paintControlBackground()", GetLastError());
-}