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00012 #include "stdafx.h"
00013 #include "fileio_func.h"
00014 #include "fontcache.h"
00015 #include "gfx_type.h"
00016 #include "gfx_func.h"
00017 #include "string_func.h"
00018 #include "textfile_gui.h"
00019
00020 #include "widgets/misc_widget.h"
00021
00022 #include "table/strings.h"
00023
00024
00026 static const NWidgetPart _nested_textfile_widgets[] = {
00027 NWidget(NWID_HORIZONTAL),
00028 NWidget(WWT_CLOSEBOX, COLOUR_MAUVE),
00029 NWidget(WWT_CAPTION, COLOUR_MAUVE, WID_TF_CAPTION), SetDataTip(STR_NULL, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
00030 EndContainer(),
00031 NWidget(NWID_HORIZONTAL),
00032 NWidget(WWT_PANEL, COLOUR_MAUVE, WID_TF_BACKGROUND), SetMinimalSize(200, 125), SetResize(1, 12), SetScrollbar(WID_TF_VSCROLLBAR),
00033 EndContainer(),
00034 NWidget(NWID_VERTICAL),
00035 NWidget(NWID_VSCROLLBAR, COLOUR_MAUVE, WID_TF_VSCROLLBAR),
00036 EndContainer(),
00037 EndContainer(),
00038 NWidget(NWID_HORIZONTAL),
00039 NWidget(NWID_HSCROLLBAR, COLOUR_MAUVE, WID_TF_HSCROLLBAR),
00040 NWidget(WWT_RESIZEBOX, COLOUR_MAUVE),
00041 EndContainer(),
00042 };
00043
00045 static const WindowDesc _textfile_desc(
00046 WDP_CENTER, 630, 460,
00047 WC_TEXTFILE, WC_NONE,
00048 WDF_UNCLICK_BUTTONS,
00049 _nested_textfile_widgets, lengthof(_nested_textfile_widgets)
00050 );
00051
00052 TextfileWindow::TextfileWindow(TextfileType file_type) : Window(), file_type(file_type)
00053 {
00054 this->CreateNestedTree(&_textfile_desc);
00055 this->vscroll = this->GetScrollbar(WID_TF_VSCROLLBAR);
00056 this->hscroll = this->GetScrollbar(WID_TF_HSCROLLBAR);
00057 this->FinishInitNested(&_textfile_desc);
00058 }
00059
00060 TextfileWindow::~TextfileWindow()
00061 {
00062 free(this->text);
00063 }
00064
00065 void TextfileWindow::UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
00066 {
00067 switch (widget) {
00068 case WID_TF_BACKGROUND:
00069 this->line_height = FONT_HEIGHT_MONO + 2;
00070 resize->height = this->line_height;
00071
00072 size->height = 4 * resize->height + TOP_SPACING + BOTTOM_SPACING;
00073 size->width = max(200u, size->width);
00074 break;
00075 }
00076 }
00077
00078 void TextfileWindow::DrawWidget(const Rect &r, int widget) const
00079 {
00080 if (widget != WID_TF_BACKGROUND) return;
00081
00082 int width = r.right - r.left + 1 - WD_BEVEL_LEFT - WD_BEVEL_RIGHT;
00083 int height = r.bottom - r.top + 1 - WD_BEVEL_LEFT - WD_BEVEL_RIGHT;
00084
00085 DrawPixelInfo new_dpi;
00086 if (!FillDrawPixelInfo(&new_dpi, r.left + WD_BEVEL_LEFT, r.top, width, height)) return;
00087 DrawPixelInfo *old_dpi = _cur_dpi;
00088 _cur_dpi = &new_dpi;
00089
00090 int left, right;
00091 if (_current_text_dir == TD_RTL) {
00092 left = width + WD_BEVEL_RIGHT - WD_FRAMETEXT_RIGHT - this->hscroll->GetCount();
00093 right = width + WD_BEVEL_RIGHT - WD_FRAMETEXT_RIGHT - 1 + this->hscroll->GetPosition();
00094 } else {
00095 left = WD_FRAMETEXT_LEFT - WD_BEVEL_LEFT - this->hscroll->GetPosition();
00096 right = WD_FRAMETEXT_LEFT - WD_BEVEL_LEFT + this->hscroll->GetCount() - 1;
00097 }
00098 int top = TOP_SPACING;
00099 for (uint i = 0; i < this->vscroll->GetCapacity() && i + this->vscroll->GetPosition() < this->lines.Length(); i++) {
00100 DrawString(left, right, top + i * this->line_height, this->lines[i + this->vscroll->GetPosition()], TC_WHITE, SA_LEFT, false, FS_MONO);
00101 }
00102
00103 _cur_dpi = old_dpi;
00104 }
00105
00106 void TextfileWindow::OnResize()
00107 {
00108 this->vscroll->SetCapacityFromWidget(this, WID_TF_BACKGROUND, TOP_SPACING + BOTTOM_SPACING);
00109 this->hscroll->SetCapacityFromWidget(this, WID_TF_BACKGROUND);
00110 }
00111
00112 void TextfileWindow::Reset()
00113 {
00114 this->search_iterator = 0;
00115 }
00116
00117 FontSize TextfileWindow::DefaultSize()
00118 {
00119 return FS_MONO;
00120 }
00121
00122 const char *TextfileWindow::NextString()
00123 {
00124 if (this->search_iterator >= this->lines.Length()) return NULL;
00125
00126 return this->lines[this->search_iterator++];
00127 }
00128
00129 bool TextfileWindow::Monospace()
00130 {
00131 return true;
00132 }
00133
00134 void TextfileWindow::SetFontNames(FreeTypeSettings *settings, const char *font_name)
00135 {
00136 #ifdef WITH_FREETYPE
00137 strecpy(settings->mono_font, font_name, lastof(settings->mono_font));
00138 #endif
00139 }
00140
00144 void TextfileWindow::LoadTextfile(const char *textfile, Subdirectory dir)
00145 {
00146 if (textfile == NULL) return;
00147
00148 this->lines.Clear();
00149
00150
00151 size_t filesize;
00152 FILE *handle = FioFOpenFile(textfile, "rb", dir, &filesize);
00153 if (handle == NULL) return;
00154
00155 this->text = ReallocT(this->text, filesize + 1);
00156 size_t read = fread(this->text, 1, filesize, handle);
00157 fclose(handle);
00158
00159 if (read != filesize) return;
00160
00161 this->text[filesize] = '\0';
00162
00163
00164 for (char *p = this->text; *p != '\0'; p++) {
00165 if (*p == '\t' || *p == '\r') *p = ' ';
00166 }
00167
00168
00169 char *p = this->text + (strncmp("\xEF\xBB\xBF", this->text, 3) == 0 ? 3 : 0);
00170
00171
00172 str_validate(p, this->text + filesize, SVS_REPLACE_WITH_QUESTION_MARK | SVS_ALLOW_NEWLINE);
00173
00174
00175 *this->lines.Append() = p;
00176 for (; *p != '\0'; p++) {
00177 if (*p == '\n') {
00178 *p = '\0';
00179 *this->lines.Append() = p + 1;
00180 }
00181 }
00182
00183 CheckForMissingGlyphs(true, this);
00184
00185
00186 this->vscroll->SetCount(this->lines.Length());
00187
00188 this->max_length = 0;
00189 for (uint i = 0; i < this->lines.Length(); i++) {
00190 this->max_length = max(this->max_length, GetStringBoundingBox(this->lines[i], FS_MONO).width);
00191 }
00192 this->hscroll->SetCount(this->max_length + WD_FRAMETEXT_LEFT + WD_FRAMETEXT_RIGHT);
00193 this->hscroll->SetStepSize(10);
00194 }
00195
00203 const char *GetTextfile(TextfileType type, Subdirectory dir, const char *filename)
00204 {
00205 static const char * const prefixes[] = {
00206 "readme",
00207 "changelog",
00208 "license",
00209 };
00210 assert_compile(lengthof(prefixes) == TFT_END);
00211
00212 const char *prefix = prefixes[type];
00213
00214 if (filename == NULL) return NULL;
00215
00216 static char file_path[MAX_PATH];
00217 strecpy(file_path, filename, lastof(file_path));
00218
00219 char *slash = strrchr(file_path, PATHSEPCHAR);
00220 if (slash == NULL) return NULL;
00221
00222 seprintf(slash + 1, lastof(file_path), "%s_%s.txt", prefix, GetCurrentLanguageIsoCode());
00223 if (FioCheckFileExists(file_path, dir)) return file_path;
00224
00225 seprintf(slash + 1, lastof(file_path), "%s_%.2s.txt", prefix, GetCurrentLanguageIsoCode());
00226 if (FioCheckFileExists(file_path, dir)) return file_path;
00227
00228 seprintf(slash + 1, lastof(file_path), "%s.txt", prefix);
00229 return FioCheckFileExists(file_path, dir) ? file_path : NULL;
00230 }