1 files changed, 76 insertions, 0 deletions
diff --git a/alf/alfedit.cpp b/alf/alfedit.cpp
new file mode 100644
index 0000000..65f14c8
--- /dev/null
+++ b/alf/alfedit.cpp
@@ -0,0 +1,76 @@
+#include "alfpriv.h"
+
+/* EDIT */
+static LRESULT CALLBACK
+ALF__EditSubclassProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam, UINT_PTR uIdSubclass, DWORD_PTR dwRefData)
+{
+    (void)uIdSubclass;
+    (void)dwRefData;
+
+    ALFAPP app = (ALFAPP)dwRefData;
+
+    if (uMsg == ALF_WM_QUERYSIZE) {
+        HDC hDc = GetDC(hwnd);
+        HFONT font = (HFONT)SendMessage(hwnd, WM_GETFONT, 0, 0);
+
+        if (font) {
+            HFONT oldfont = SelectFont(hDc, font);
+
+            TEXTMETRIC tm;
+            ZeroMemory(&tm, sizeof(tm));
+
+            if (GetTextMetrics(hDc, &tm)) {
+                SIZE *ps = (SIZE*)lParam;
+                if (!ps->cx) {
+                    ps->cx = ALF_CentipointsToPixels(GetParent(hwnd), 12000);
+                }
+
+                if (!ps->cy) {
+                    ps->cy = tm.tmHeight + 6; // FIXME! use system metrics
+                }
+            }
+
+            SelectFont(hDc, oldfont);
+        }
+
+        ReleaseDC(hwnd, hDc);
+        return 0;
+    }
+
+    return app->compatFn->DefSubclassProc(hwnd, uMsg, wParam, lParam);
+}
+
+HWND
+ALF_AddEdit(HWND win, WORD id, UINT x, UINT y, const WCHAR *text)
+{
+    HWND hwndEdit  = CreateWindowEx(WS_EX_CLIENTEDGE,
+                                    L"EDIT",
+                                    text,
+                                    WS_CHILD | WS_VISIBLE | WS_TABSTOP,
+                                    0, 0, 100, 100,
+                                    win,
+                                    (HMENU)(int)id,
+                                    (HINSTANCE)GetWindowLongPtr(win, GWLP_HINSTANCE),
+                                    NULL);
+
+    ALFAPP app = ALF_ApplicationFromWindow(win);
+
+    app->compatFn->SetWindowSubclass(hwndEdit, ALF__EditSubclassProc, 0, (DWORD_PTR)app);
+    SetWindowPos(hwndEdit, NULL, 0, 0, 0, 0, SWP_NOZORDER | SWP_NOSIZE | SWP_NOMOVE | SWP_FRAMECHANGED);
+
+    ALFAddWidgetParams p;
+    ZeroMemory(&p, sizeof(p));
+    p.hwnd = hwndEdit;
+    p.x = x;
+    p.y = y;
+    p.width = 0;
+    p.height = 0;
+    p.flags = ALF_QUERYSIZE | ALF_MESSAGEFONT;
+    p.margins[0] = 75; // TODO: pixel-perfect margin from system metrics
+    p.margins[2] = 75;
+
+    ALF_AddWidgetEx(win, &p);
+
+    return hwndEdit;
+}
+