diff options
| -rw-r--r-- | redo/basicctrls_windows.c | 58 | ||||
| -rw-r--r-- | redo/container_windows.c | 23 | ||||
| -rw-r--r-- | redo/control_windows.c | 89 | ||||
| -rw-r--r-- | redo/sizing_windows.c | 56 | ||||
| -rw-r--r-- | redo/winapi_windows.h | 14 |
5 files changed, 119 insertions, 121 deletions
diff --git a/redo/basicctrls_windows.c b/redo/basicctrls_windows.c index cca3f95..3a7a460 100644 --- a/redo/basicctrls_windows.c +++ b/redo/basicctrls_windows.c @@ -3,64 +3,6 @@ #include "winapi_windows.h" #include "_cgo_export.h" -HWND newControl(LPWSTR class, DWORD style, DWORD extstyle) -{ - HWND hwnd; - - hwnd = CreateWindowExW( - extstyle, - class, L"", - style | WS_CHILD | WS_VISIBLE, - CW_USEDEFAULT, CW_USEDEFAULT, - CW_USEDEFAULT, CW_USEDEFAULT, - /* - the following has the consequence of making the control message-only at first - this shouldn't cause any problems... hopefully not - but see the msgwndproc() for caveat info - also don't use low control IDs as they will conflict with dialog boxes (IDCANCEL, etc.) - */ - msgwin, (HMENU) 100, hInstance, NULL); - if (hwnd == NULL) - xpanic("error creating control", GetLastError()); - return hwnd; -} - -void controlSetParent(HWND control, HWND parent) -{ - if (SetParent(control, parent) == NULL) - xpanic("error changing control parent", GetLastError()); -} - -void controlSetControlFont(HWND which) -{ - SendMessageW(which, WM_SETFONT, (WPARAM) controlFont, TRUE); -} - -/* -all controls that have events receive the events themselves through subclasses -to do this, all 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 -*/ -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); -} - -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); -} - static LRESULT CALLBACK buttonSubProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam, UINT_PTR id, DWORD_PTR data) { switch (uMsg) { diff --git a/redo/container_windows.c b/redo/container_windows.c index f568440..5f71fe2 100644 --- a/redo/container_windows.c +++ b/redo/container_windows.c @@ -82,3 +82,26 @@ HWND newContainer(void *data) xpanic("container creation failed", GetLastError()); return hwnd; } + +void calculateBaseUnits(HWND hwnd, int *baseX, int *baseY, LONG *internalLeading) +{ + HDC dc; + HFONT prevFont; + TEXTMETRICW tm; + + dc = GetDC(hwnd); + if (dc == NULL) + xpanic("error getting DC for preferred size calculations", GetLastError()); + prevFont = (HFONT) SelectObject(dc, controlFont); + if (prevFont == NULL) + xpanic("error loading control font into device context for preferred size calculation", GetLastError()); + if (GetTextMetricsW(dc, &tm) == 0) + xpanic("error getting text metrics for preferred size calculations", GetLastError()); + *baseX = (int) tm.tmAveCharWidth; /* TODO not optimal; third reference below has better way */ + *baseY = (int) tm.tmHeight; + *internalLeading = tm.tmInternalLeading; + if (SelectObject(dc, prevFont) != controlFont) + xpanic("error restoring previous font into device context after preferred size calculations", GetLastError()); + if (ReleaseDC(hwnd, dc) == 0) + xpanic("error releasing DC for preferred size calculations", GetLastError()); +} diff --git a/redo/control_windows.c b/redo/control_windows.c new file mode 100644 index 0000000..d91b608 --- /dev/null +++ b/redo/control_windows.c @@ -0,0 +1,89 @@ +/* 17 july 2014 */ + +#include "winapi_windows.h" +#include "_cgo_export.h" + +HWND newControl(LPWSTR class, DWORD style, DWORD extstyle) +{ + HWND hwnd; + + hwnd = CreateWindowExW( + extstyle, + class, L"", + style | WS_CHILD | WS_VISIBLE, + CW_USEDEFAULT, CW_USEDEFAULT, + CW_USEDEFAULT, CW_USEDEFAULT, + /* + the following has the consequence of making the control message-only at first + this shouldn't cause any problems... hopefully not + but see the msgwndproc() for caveat info + also don't use low control IDs as they will conflict with dialog boxes (IDCANCEL, etc.) + */ + msgwin, (HMENU) 100, hInstance, NULL); + if (hwnd == NULL) + xpanic("error creating control", GetLastError()); + return hwnd; +} + +void controlSetParent(HWND control, HWND parent) +{ + if (SetParent(control, parent) == NULL) + xpanic("error changing control parent", GetLastError()); +} + +void controlSetControlFont(HWND which) +{ + SendMessageW(which, WM_SETFONT, (WPARAM) controlFont, TRUE); +} + +/* +all controls that have events receive the events themselves through subclasses +to do this, all 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 +*/ +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); +} + +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); +} + +void moveWindow(HWND hwnd, int x, int y, int width, int height) +{ + if (MoveWindow(hwnd, x, y, width, height, TRUE) == 0) + xpanic("error setting window/control rect", GetLastError()); +} + +LONG controlTextLength(HWND hwnd, LPWSTR text) +{ + HDC dc; + HFONT prev; + SIZE size; + + dc = GetDC(hwnd); + if (dc == NULL) + xpanic("error getting DC of control for text length", GetLastError()); + prev = SelectObject(dc, controlFont); + if (prev == NULL) + xpanic("error setting control font to DC for text length", GetLastError()); + if (GetTextExtentPoint32W(dc, text, wcslen(text), &size) == 0) + xpanic("error actually getting text length", GetLastError()); + if (SelectObject(dc, prev) != controlFont) + xpanic("error restoring previous control font to DC for text length", GetLastError()); + if (ReleaseDC(hwnd, dc) == 0) + xpanic("error releasing DC of control for text length", GetLastError()); + return size.cx; +} diff --git a/redo/sizing_windows.c b/redo/sizing_windows.c deleted file mode 100644 index 5f14b19..0000000 --- a/redo/sizing_windows.c +++ /dev/null @@ -1,56 +0,0 @@ -/* 17 july 2014 */ - -#include "winapi_windows.h" -#include "_cgo_export.h" - -/* TODO figure out where these should go */ - -void calculateBaseUnits(HWND hwnd, int *baseX, int *baseY, LONG *internalLeading) -{ - HDC dc; - HFONT prevFont; - TEXTMETRICW tm; - - dc = GetDC(hwnd); - if (dc == NULL) - xpanic("error getting DC for preferred size calculations", GetLastError()); - prevFont = (HFONT) SelectObject(dc, controlFont); - if (prevFont == NULL) - xpanic("error loading control font into device context for preferred size calculation", GetLastError()); - if (GetTextMetricsW(dc, &tm) == 0) - xpanic("error getting text metrics for preferred size calculations", GetLastError()); - *baseX = (int) tm.tmAveCharWidth; /* TODO not optimal; third reference below has better way */ - *baseY = (int) tm.tmHeight; - *internalLeading = tm.tmInternalLeading; - if (SelectObject(dc, prevFont) != controlFont) - xpanic("error restoring previous font into device context after preferred size calculations", GetLastError()); - if (ReleaseDC(hwnd, dc) == 0) - xpanic("error releasing DC for preferred size calculations", GetLastError()); -} - -void moveWindow(HWND hwnd, int x, int y, int width, int height) -{ - if (MoveWindow(hwnd, x, y, width, height, TRUE) == 0) - xpanic("error setting window/control rect", GetLastError()); -} - -LONG controlTextLength(HWND hwnd, LPWSTR text) -{ - HDC dc; - HFONT prev; - SIZE size; - - dc = GetDC(hwnd); - if (dc == NULL) - xpanic("error getting DC of control for text length", GetLastError()); - prev = SelectObject(dc, controlFont); - if (prev == NULL) - xpanic("error setting control font to DC for text length", GetLastError()); - if (GetTextExtentPoint32W(dc, text, wcslen(text), &size) == 0) - xpanic("error actually getting text length", GetLastError()); - if (SelectObject(dc, prev) != controlFont) - xpanic("error restoring previous control font to DC for text length", GetLastError()); - if (ReleaseDC(hwnd, dc) == 0) - xpanic("error releasing DC of control for text length", GetLastError()); - return size.cx; -} diff --git a/redo/winapi_windows.h b/redo/winapi_windows.h index c5a30fe..268caa3 100644 --- a/redo/winapi_windows.h +++ b/redo/winapi_windows.h @@ -44,12 +44,16 @@ extern BOOL (*WINAPI fv_SetWindowSubclass)(HWND, SUBCLASSPROC, UINT_PTR, DWORD_P extern BOOL (*WINAPI fv_RemoveWindowSubclass)(HWND, SUBCLASSPROC, UINT_PTR); extern LRESULT (*WINAPI fv_DefSubclassProc)(HWND, UINT, WPARAM, LPARAM); -/* [TODO rename] controls_windows.c */ +/* control_windows.c */ extern HWND newControl(LPWSTR, DWORD, DWORD); extern void controlSetParent(HWND, HWND); extern void controlSetControlFont(HWND); extern LRESULT forwardCommand(HWND, UINT, WPARAM, LPARAM); extern LRESULT forwardNotify(HWND, UINT, WPARAM, LPARAM); +extern void moveWindow(HWND, int, int, int, int); +extern LONG controlTextLength(HWND, LPWSTR); + +/* basicctrls_windows.c */ extern void setButtonSubclass(HWND, void *); extern void setCheckboxSubclass(HWND, void *); extern BOOL checkboxChecked(HWND); @@ -68,11 +72,6 @@ extern HFONT statusbarFont; extern HBRUSH hollowBrush; extern DWORD initWindows(char **); -/* sizing_windows.c */ -extern void calculateBaseUnits(HWND, int *, int *, LONG *); -extern void moveWindow(HWND, int, int, int, int); -extern LONG controlTextLength(HWND, LPWSTR); - /* window_windows.c */ extern DWORD makeWindowWindowClass(char **); extern HWND newWindow(LPWSTR, int, int, void *); @@ -85,7 +84,7 @@ extern void setWindowText(HWND, LPWSTR); extern void updateWindow(HWND); extern void storelpParam(HWND, LPARAM); -/* containers_windows.go */ +/* tab_windows.go */ extern LPWSTR xWC_TABCONTROL; extern void setTabSubclass(HWND, void *); extern void tabAppend(HWND, LPWSTR); @@ -102,6 +101,7 @@ extern void tableAddExtendedStyles(HWND, LPARAM); /* container_windows.c */ extern DWORD makeContainerWindowClass(char **); extern HWND newContainer(void *); +extern void calculateBaseUnits(HWND, int *, int *, LONG *); /* area_window.c */ extern void repaintArea(HWND); |