Initial commit

engines/ags/engine/gui/my_textbox.cpp

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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "ags/engine/gui/my_textbox.h"
+#include "ags/shared/ac/keycode.h"
+#include "ags/shared/font/fonts.h"
+#include "ags/shared/gfx/bitmap.h"
+#include "ags/engine/gui/gui_dialog_defines.h"
+
+#include "ags/globals.h"
+
+namespace AGS3 {
+
+using namespace AGS::Shared;
+
+MyTextBox::MyTextBox(int xx, int yy, int wii, const char *tee) {
+	x = xx;
+	y = yy;
+	wid = wii;
+	if (tee != nullptr)
+		Common::strcpy_s(text, tee);
+	else
+		text[0] = 0;
+
+	hit = TEXT_HT + 1;
+}
+
+void MyTextBox::draw(Bitmap *ds) {
+	ds->SetClip(RectWH(x, y, wid + 1, hit + 1));
+	color_t draw_color = ds->GetCompatibleColor(_G(windowbackgroundcolor));
+	ds->FillRect(Rect(x, y, x + wid, y + hit), draw_color);
+	draw_color = ds->GetCompatibleColor(0);
+	ds->DrawRect(Rect(x, y, x + wid, y + hit), draw_color);
+	color_t text_color = ds->GetCompatibleColor(0);
+	wouttextxy(ds, x + 2, y + 1, _G(cbuttfont), text_color, text);
+
+	char tbu[2] = "_";
+	wouttextxy(ds, x + 2 + get_text_width(text, _G(cbuttfont)), y + 1, _G(cbuttfont), text_color, tbu);
+	ds->ResetClip();
+}
+
+int MyTextBox::pressedon(int /*mx*/, int /*my*/) {
+	return 0;
+}
+
+int MyTextBox::processmessage(int mcode, int wParam, NumberPtr lParam) {
+
+	if (mcode == CTB_SETTEXT) {
+		snprintf(text, sizeof(text), "%s", (const char *)lParam.ptr());
+		needredraw = 1;
+	} else if (mcode == CTB_GETTEXT)
+		Common::strcpy_s((char *)lParam.ptr(), 260, text); // FIXME! dangerous
+	else if (mcode == CTB_KEYPRESS) {
+		// NOTE: this deprecated control does not support UTF-8
+		int key = wParam;
+		int uchar = lParam;
+		size_t len = strlen(text);
+		if (key == eAGSKeyCodeBackspace) {
+			if (len > 0)
+				text[len - 1] = 0;
+			drawandmouse();
+			return 0;
+		}
+
+		if (len >= TEXTBOX_MAXLEN - 1)
+			return 0; // buffer full;
+		if (uchar == 0)
+			return 0; // not a textual event
+		if ((uchar >= 128) && (!font_supports_extended_characters(_G(cbuttfont))))
+			return 0; // unsupported letter
+		if (get_text_width(text, _G(cbuttfont)) >= wid - 5)
+			return 0; // not enough control space
+		text[len] = uchar;
+		text[len + 1] = 0;
+		drawandmouse();
+	} else
+		return -1;
+
+	return 0;
+}
+
+} // namespace AGS3