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authorrubidium <rubidium@openttd.org>2012-02-12 10:32:41 +0000
committerrubidium <rubidium@openttd.org>2012-02-12 10:32:41 +0000
commite8dbcf90430610e2f19aeb3b764d9e8809c8f3ea (patch)
tree8cca3b6ad3193e943cd0121ba465e5cedf268307 /src/textfile_gui.cpp
parent0542e26460cf5da6fb4a3486ed9b515721bdb0bd (diff)
downloadopenttd-e8dbcf90430610e2f19aeb3b764d9e8809c8f3ea.tar.xz
(svn r23932) -Codechange: split the NewGRF text window into its own source files
Diffstat (limited to 'src/textfile_gui.cpp')
-rw-r--r--src/textfile_gui.cpp194
1 files changed, 194 insertions, 0 deletions
diff --git a/src/textfile_gui.cpp b/src/textfile_gui.cpp
new file mode 100644
index 000000000..93138eac3
--- /dev/null
+++ b/src/textfile_gui.cpp
@@ -0,0 +1,194 @@
+/* $Id$ */
+
+/*
+ * This file is part of OpenTTD.
+ * OpenTTD 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, version 2.
+ * OpenTTD 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 OpenTTD. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/** @file textfile_gui.cpp Implementation of textfile window. */
+
+#include "stdafx.h"
+#include "fileio_func.h"
+#include "fontcache.h"
+#include "gfx_type.h"
+#include "gfx_func.h"
+#include "string_func.h"
+#include "textfile_gui.h"
+
+#include "widgets/misc_widget.h"
+
+#include "table/strings.h"
+
+
+/** Widgets for the textfile window. */
+static const NWidgetPart _nested_textfile_widgets[] = {
+ NWidget(NWID_HORIZONTAL),
+ NWidget(WWT_CLOSEBOX, COLOUR_MAUVE),
+ NWidget(WWT_CAPTION, COLOUR_MAUVE, WID_TF_CAPTION), SetDataTip(STR_NULL, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
+ EndContainer(),
+ NWidget(NWID_HORIZONTAL),
+ NWidget(WWT_PANEL, COLOUR_MAUVE, WID_TF_BACKGROUND), SetMinimalSize(200, 125), SetResize(1, 12), SetScrollbar(WID_TF_VSCROLLBAR),
+ EndContainer(),
+ NWidget(NWID_VERTICAL),
+ NWidget(NWID_VSCROLLBAR, COLOUR_MAUVE, WID_TF_VSCROLLBAR),
+ EndContainer(),
+ EndContainer(),
+ NWidget(NWID_HORIZONTAL),
+ NWidget(NWID_HSCROLLBAR, COLOUR_MAUVE, WID_TF_HSCROLLBAR),
+ NWidget(WWT_RESIZEBOX, COLOUR_MAUVE),
+ EndContainer(),
+};
+
+/** Window definition for the textfile window */
+static const WindowDesc _textfile_desc(
+ WDP_CENTER, 630, 460,
+ WC_TEXTFILE, WC_NONE,
+ WDF_UNCLICK_BUTTONS,
+ _nested_textfile_widgets, lengthof(_nested_textfile_widgets)
+);
+
+TextfileWindow::TextfileWindow(TextfileType file_type) : Window(), file_type(file_type)
+{
+ this->CreateNestedTree(&_textfile_desc);
+ this->vscroll = this->GetScrollbar(WID_TF_VSCROLLBAR);
+ this->hscroll = this->GetScrollbar(WID_TF_HSCROLLBAR);
+ this->FinishInitNested(&_textfile_desc);
+}
+
+/* virtual */ TextfileWindow::~TextfileWindow()
+{
+ free(this->text);
+}
+
+/* virtual */ void TextfileWindow::UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
+{
+ switch (widget) {
+ case WID_TF_BACKGROUND:
+ this->line_height = FONT_HEIGHT_MONO + 2;
+ resize->height = this->line_height;
+
+ size->height = 4 * resize->height + TOP_SPACING + BOTTOM_SPACING; // At least 4 lines are visible.
+ size->width = max(200u, size->width); // At least 200 pixels wide.
+ break;
+ }
+}
+
+/* virtual */ void TextfileWindow::DrawWidget(const Rect &r, int widget) const
+{
+ if (widget != WID_TF_BACKGROUND) return;
+
+ int width = r.right - r.left + 1 - WD_BEVEL_LEFT - WD_BEVEL_RIGHT;
+ int height = r.bottom - r.top + 1 - WD_BEVEL_LEFT - WD_BEVEL_RIGHT;
+
+ DrawPixelInfo new_dpi;
+ if (!FillDrawPixelInfo(&new_dpi, r.left + WD_BEVEL_LEFT, r.top, width, height)) return;
+ DrawPixelInfo *old_dpi = _cur_dpi;
+ _cur_dpi = &new_dpi;
+
+ int left, right;
+ if (_current_text_dir == TD_RTL) {
+ left = width + WD_BEVEL_RIGHT - WD_FRAMETEXT_RIGHT - this->hscroll->GetCount();
+ right = width + WD_BEVEL_RIGHT - WD_FRAMETEXT_RIGHT - 1 + this->hscroll->GetPosition();
+ } else {
+ left = WD_FRAMETEXT_LEFT - WD_BEVEL_LEFT - this->hscroll->GetPosition();
+ right = WD_FRAMETEXT_LEFT - WD_BEVEL_LEFT + this->hscroll->GetCount() - 1;
+ }
+ int top = TOP_SPACING;
+ for (uint i = 0; i < this->vscroll->GetCapacity() && i + this->vscroll->GetPosition() < this->lines.Length(); i++) {
+ DrawString(left, right, top + i * this->line_height, this->lines[i + this->vscroll->GetPosition()], TC_WHITE, SA_LEFT, false, FS_MONO);
+ }
+
+ _cur_dpi = old_dpi;
+}
+
+/* virtual */ void TextfileWindow::OnResize()
+{
+ this->vscroll->SetCapacityFromWidget(this, WID_TF_BACKGROUND, TOP_SPACING + BOTTOM_SPACING);
+ this->hscroll->SetCapacityFromWidget(this, WID_TF_BACKGROUND);
+}
+
+/* virtual */ void TextfileWindow::Reset()
+{
+ this->search_iterator = 0;
+}
+
+/* virtual */ FontSize TextfileWindow::DefaultSize()
+{
+ return FS_MONO;
+}
+
+/* virtual */ const char *TextfileWindow::NextString()
+{
+ if (this->search_iterator >= this->lines.Length()) return NULL;
+
+ return this->lines[this->search_iterator++];
+}
+
+/* virtual */ bool TextfileWindow::Monospace()
+{
+ return true;
+}
+
+/* virtual */ void TextfileWindow::SetFontNames(FreeTypeSettings *settings, const char *font_name)
+{
+#ifdef WITH_FREETYPE
+ strecpy(settings->mono_font, font_name, lastof(settings->mono_font));
+#endif /* WITH_FREETYPE */
+}
+
+/**
+ * Loads the textfile text from file, and setup #lines, #max_length, and both scrollbars.
+ */
+/* virtual */ void TextfileWindow::LoadTextfile(const char *textfile, Subdirectory dir)
+{
+ if (textfile == NULL) return;
+
+ this->lines.Clear();
+
+ /* Get text from file */
+ size_t filesize;
+ FILE *handle = FioFOpenFile(textfile, "rb", dir, &filesize);
+ if (handle == NULL) return;
+
+ this->text = ReallocT(this->text, filesize + 1);
+ size_t read = fread(this->text, 1, filesize, handle);
+ fclose(handle);
+
+ if (read != filesize) return;
+
+ this->text[filesize] = '\0';
+
+ /* Replace tabs and line feeds with a space since str_validate removes those. */
+ for (char *p = this->text; *p != '\0'; p++) {
+ if (*p == '\t' || *p == '\r') *p = ' ';
+ }
+
+ /* Check for the byte-order-mark, and skip it if needed. */
+ char *p = this->text + (strncmp("\xEF\xBB\xBF", this->text, 3) == 0 ? 3 : 0);
+
+ /* Make sure the string is a valid UTF-8 sequence. */
+ str_validate(p, this->text + filesize, SVS_REPLACE_WITH_QUESTION_MARK | SVS_ALLOW_NEWLINE);
+
+ /* Split the string on newlines. */
+ *this->lines.Append() = p;
+ for (; *p != '\0'; p++) {
+ if (*p == '\n') {
+ *p = '\0';
+ *this->lines.Append() = p + 1;
+ }
+ }
+
+ CheckForMissingGlyphs(true, this);
+
+ /* Initialize scrollbars */
+ this->vscroll->SetCount(this->lines.Length());
+
+ this->max_length = 0;
+ for (uint i = 0; i < this->lines.Length(); i++) {
+ this->max_length = max(this->max_length, GetStringBoundingBox(this->lines[i], FS_MONO).width);
+ }
+ this->hscroll->SetCount(this->max_length + WD_FRAMETEXT_LEFT + WD_FRAMETEXT_RIGHT);
+ this->hscroll->SetStepSize(10); // Speed up horizontal scrollbar
+}