diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/Fl_Help_View.cxx | 716 |
1 files changed, 517 insertions, 199 deletions
diff --git a/src/Fl_Help_View.cxx b/src/Fl_Help_View.cxx index defad08fe..8a71d4f07 100644 --- a/src/Fl_Help_View.cxx +++ b/src/Fl_Help_View.cxx @@ -64,6 +64,263 @@ static constexpr int MAX_COLUMNS = 200; // +// Implementation class +// + +class Fl_Help_View::Impl +{ + friend Fl_Help_View; + Fl_Help_View &view; +public: + Impl(Fl_Help_View *view) : view(*view) + { + title_[0] = '\0'; + defcolor_ = FL_FOREGROUND_COLOR; + bgcolor_ = FL_BACKGROUND_COLOR; + textcolor_ = FL_FOREGROUND_COLOR; + linkcolor_ = FL_SELECTION_COLOR; + textfont_ = FL_TIMES; + textsize_ = 12; + value_ = nullptr; + + blocks_.clear(); + + link_ = (Fl_Help_Func *)0; + + link_list_.clear(); + + directory_.clear(); + filename_.clear(); + + topline_ = 0; + leftline_ = 0; + size_ = 0; + hsize_ = 0; + + selection_mode_ = Mode::DRAW; + selected_ = false; + selection_first_ = 0; + selection_last_ = 0; + + scrollbar_size_ = 0; + } + ~Impl() + { + clear_selection(); + free_data(); + } + + private: // classes, structs, and types + + /** Private struct to describe blocks of text. */ + struct Text_Block { + const char *start; // Start of text + const char *end; // End of text + uchar border; // Draw border? + Fl_Color bgcolor; // Background color + int x; // Indentation/starting X coordinate + int y; // Starting Y coordinate + int w; // Width + int h; // Height + int line[32]; // Left starting position for each line + int ol; // is ordered list <OL> element + int ol_num; // item number in ordered list + }; + + /** Private class to hold a link with target and its position on screen. */ + struct Link { + std::string filename_; // Filename part of a link + std::string target; // Target part of a link + Fl_Rect box; // Clickable rectangle that defines the link area + }; + + /** Private font stack element definition. */ + struct Font_Style { + Fl_Font f; ///< Font + Fl_Fontsize s; ///< Font Size + Fl_Color c; ///< Font Color + Font_Style(Fl_Font afont, Fl_Fontsize asize, Fl_Color acolor); + Font_Style() = default; ///< Default constructor + void get(Fl_Font &afont, Fl_Fontsize &asize, Fl_Color &acolor); + void set(Fl_Font afont, Fl_Fontsize asize, Fl_Color acolor); + }; + + /** Private class to hold font information on a stack. */ + struct Font_Stack { + void init(Fl_Font f, Fl_Fontsize s, Fl_Color c); + void top(Fl_Font &f, Fl_Fontsize &s, Fl_Color &c); + void push(Fl_Font f, Fl_Fontsize s, Fl_Color c); + void pop(Fl_Font &f, Fl_Fontsize &s, Fl_Color &c); + size_t count() const; + private: + std::vector<Font_Style> elts_; ///< font elements + }; + + enum class Align { RIGHT = -1, CENTER, LEFT }; ///< Alignments + enum class Mode { DRAW, PUSH, DRAG }; ///< Draw modes + + private: // data members + + // HTML source and raw data + + const char *value_; ///< Copy of raw HTML text, as set by `value()` or `load()` + std::string directory_; ///< Directory for current document + std::string filename_; ///< Original file name from `load()` + + // HTML document data + + std::string title_; ///< Title string from <title> tag + Font_Stack fstack_; ///< Font and style stack + std::vector<Text_Block> blocks_; ///< List of all text blocks on screen + std::vector<std::shared_ptr<Link> > link_list_; ///< List of all clickable links and their position on screen + std::map<std::string, int> target_line_map_; ///< List of vertical position of all HTML Targets in a document + + int topline_; ///< Vertical offset of document, measure in pixels + int leftline_; ///< Horizontal offset of document, measure in pixels + int size_; ///< Total document height in pixels + int hsize_; ///< Maximum document width in pixels + + // Default visual attributes + + Fl_Color defcolor_; ///< Default text color, defaults to FL_FOREGROUND_COLOR + Fl_Color bgcolor_; ///< Background color, defaults to FL_BACKGROUND_COLOR + Fl_Color textcolor_; ///< Text color, defaults to FL_FOREGROUND_COLOR + Fl_Color linkcolor_; ///< Link color, FL_SELECTION_COLOR + Fl_Font textfont_; ///< Default font for text, FL_TIMES + Fl_Fontsize textsize_; ///< Default font size, defaults to 12, should be FL_NORMAL_SIZE + + // Text selection and mouse handling + + Mode selection_mode_; ///< Remember election mode between FL_PUSH, FL_DRAG, and FL_RELEASE + bool selected_; ///< True if there is text selected + int selection_first_; ///< First character of selection, offset in value_ + int selection_last_; ///< Last character of selection, offset in value_ + Fl_Color tmp_selection_color_; ///< Selection color during draw operation + Fl_Color selection_text_color_; ///< Selection text color during draw operation + // The following members are static because we need them only once during mouse events + static int selection_push_first_; ///< First character of selection during mouse down + static int selection_push_last_; ///< Last character of selection during mouse down + static int selection_drag_first_; ///< First character of selection during mouse drag + static int selection_drag_last_; ///< Last character of selection during mouse drag + static Mode draw_mode_; ///< Temporarily modify `draw()` method to measure selection start or end during `handle()` + static int current_pos_; ///< Temporarily store text offset while measuring during `handle()` + + // Callback + + Fl_Help_Func *link_; ///< Link transform function + + // Scrollbars + + int scrollbar_size_; ///< Size for both scrollbars + + private: // methods + + // HTML source and raw data, getter + + void free_data(); + std::shared_ptr<Link> find_link(int, int); + void follow_link(std::shared_ptr<Link>); + + // HTML interpretation and formatting + + Text_Block *add_block(const char *s, int xx, int yy, int ww, int hh, uchar border = 0); + void add_link(const std::string &link, int xx, int yy, int ww, int hh); + void add_target(const std::string &n, int yy); + int do_align(Text_Block *block, int line, int xx, Align a, int &l); + void format(); + void format_table(int *table_width, int *columns, const char *table); + Align get_align(const char *p, Align a); + const char *get_attr(const char *p, const char *n, char *buf, int bufsize); + Fl_Color get_color(const char *n, Fl_Color c); + Fl_Shared_Image *get_image(const char *name, int W, int H); + int get_length(const char *l); + + // Font and font stack + + /// Initialize the font stack with default values. + void initfont(Fl_Font &f, Fl_Fontsize &s, Fl_Color &c) { f = textfont_; s = textsize_; c = textcolor_; fstack_.init(f, s, c); } + /// Push the current font and size onto the stack. + void pushfont(Fl_Font f, Fl_Fontsize s) {fstack_.push(f, s, textcolor_);} + /// Push the current font, size, and color onto the stack. + void pushfont(Fl_Font f, Fl_Fontsize s, Fl_Color c) {fstack_.push(f, s, c);} + /// Get the current font, size, and color from the stack. + void popfont(Fl_Font &f, Fl_Fontsize &s, Fl_Color &c) {fstack_.pop(f, s, c);} + + // Text selection + + void hv_draw(const char *t, int x, int y, int entity_extra_length = 0); + char begin_selection(); + char extend_selection(); + void end_selection(); + +protected: + + // Widget management + + void draw(); + +public: + + static const char *copy_menu_text; + + // Widget management + + int handle(int); + void resize(int,int,int,int); + /** Changes the size of the widget. \see Fl_Widget::size(int, int) */ + + // HTML source and raw data + + void value(const char *val); + /** Return a pointer to the internal text buffer. */ + const char *value() const { return (value_); } + int load(const char *f); + int find(const char *s, int p = 0); + void link(Fl_Help_Func *fn); + + const char *filename() const; + const char *directory() const; + const char *title() const; + + // Rendering attributes + + /** Return the document height in pixels. */ + int size() const { return (size_); } + /** Set the default text color. */ + void textcolor(Fl_Color c) { if (textcolor_ == defcolor_) textcolor_ = c; defcolor_ = c; } + /** Return the current default text color. */ + Fl_Color textcolor() const { return (defcolor_); } + /** Set the default text font. */ + void textfont(Fl_Font f) { textfont_ = f; format(); } + /** Return the default text font. */ + Fl_Font textfont() const { return (textfont_); } + /** Set the default text size. */ + void textsize(Fl_Fontsize s) { textsize_ = s; format(); } + /** Get the default text size. */ + Fl_Fontsize textsize() const { return (textsize_); } + void topline(const char *n); + void topline(int); + /** Get the current top line in pixels. */ + int topline() const { return (topline_); } + void leftline(int); + /** Get the left position in pixels. */ + int leftline() const { return (leftline_); } + + // Text selection + + void clear_selection(); + void select_all(); + int text_selected(); + int copy(int clipboard=1); + + // Scroll bars + + int scrollbar_size() const; + void scrollbar_size(int newSize); +}; + + +// // global and class static values // @@ -71,12 +328,12 @@ static char initial_load = 0; // We don't put the offscreen buffer in the help view class because // we'd need to include platform.H in the header... static Fl_Offscreen fl_help_view_buffer; -int Fl_Help_View::selection_push_first_ = 0; -int Fl_Help_View::selection_push_last_ = 0; -int Fl_Help_View::selection_drag_first_ = 0; -int Fl_Help_View::selection_drag_last_ = 0; -Fl_Help_View::Mode Fl_Help_View::draw_mode_ = Mode::DRAW; -int Fl_Help_View::current_pos_ = 0; +int Fl_Help_View::Impl::selection_push_first_ = 0; +int Fl_Help_View::Impl::selection_push_last_ = 0; +int Fl_Help_View::Impl::selection_drag_first_ = 0; +int Fl_Help_View::Impl::selection_drag_last_ = 0; +Fl_Help_View::Impl::Mode Fl_Help_View::Impl::draw_mode_ = Mode::DRAW; +int Fl_Help_View::Impl::current_pos_ = 0; // // Local functions declarations, implementations are at the end of the file @@ -224,7 +481,7 @@ public: \param asize The font size. \param acolor The font color. */ -Fl_Help_View::Font_Style::Font_Style(Fl_Font afont, Fl_Fontsize asize, Fl_Color acolor) { +Fl_Help_View::Impl::Font_Style::Font_Style(Fl_Font afont, Fl_Fontsize asize, Fl_Color acolor) { set(afont, asize, acolor); } @@ -235,7 +492,7 @@ Fl_Help_View::Font_Style::Font_Style(Fl_Font afont, Fl_Fontsize asize, Fl_Color \param[out] asize Reference to a variable where the font size will be stored. \param[out] acolor Reference to a variable where the font color will be stored. */ -void Fl_Help_View::Font_Style::get(Fl_Font &afont, Fl_Fontsize &asize, Fl_Color &acolor) { +void Fl_Help_View::Impl::Font_Style::get(Fl_Font &afont, Fl_Fontsize &asize, Fl_Color &acolor) { afont=f; asize=s; acolor=c; } @@ -248,7 +505,7 @@ void Fl_Help_View::Font_Style::get(Fl_Font &afont, Fl_Fontsize &asize, Fl_Color \param asize The font size to be set. \param acolor The color to be applied to the font. */ -void Fl_Help_View::Font_Style::set(Fl_Font afont, Fl_Fontsize asize, Fl_Color acolor) { +void Fl_Help_View::Impl::Font_Style::set(Fl_Font afont, Fl_Fontsize asize, Fl_Color acolor) { f=afont; s=asize; c=acolor; } @@ -262,7 +519,7 @@ void Fl_Help_View::Font_Style::set(Fl_Font afont, Fl_Fontsize asize, Fl_Color ac \param[in] s font size to apply \param[in] c color to apply */ -void Fl_Help_View::Font_Stack::init(Fl_Font f, Fl_Fontsize s, Fl_Color c) { +void Fl_Help_View::Impl::Font_Stack::init(Fl_Font f, Fl_Fontsize s, Fl_Color c) { elts_.clear(); push(f, s, c); } @@ -275,7 +532,7 @@ void Fl_Help_View::Font_Stack::init(Fl_Font f, Fl_Fontsize s, Fl_Color c) { \param[out] c color to apply \note This function does not pop the stack, it just returns the top element. */ -void Fl_Help_View::Font_Stack::top(Fl_Font &f, Fl_Fontsize &s, Fl_Color &c) { +void Fl_Help_View::Impl::Font_Stack::top(Fl_Font &f, Fl_Fontsize &s, Fl_Color &c) { elts_.back().get(f, s, c); } @@ -287,7 +544,7 @@ void Fl_Help_View::Font_Stack::top(Fl_Font &f, Fl_Fontsize &s, Fl_Color &c) { \param[in] s font size to apply \param[in] c color to apply */ -void Fl_Help_View::Font_Stack::push(Fl_Font f, Fl_Fontsize s, Fl_Color c) { +void Fl_Help_View::Impl::Font_Stack::push(Fl_Font f, Fl_Fontsize s, Fl_Color c) { elts_.push_back(Font_Style(f, s, c)); fl_font(f, s); fl_color(c); @@ -304,7 +561,7 @@ void Fl_Help_View::Font_Stack::push(Fl_Font f, Fl_Fontsize s, Fl_Color c) { \note If the stack has only one element left, that element will not be popped, but the top element will be applied again. */ -void Fl_Help_View::Font_Stack::pop(Fl_Font &f, Fl_Fontsize &s, Fl_Color &c) { +void Fl_Help_View::Impl::Font_Stack::pop(Fl_Font &f, Fl_Fontsize &s, Fl_Color &c) { if (elts_.size() > 1) elts_.pop_back(); top(f, s, c); @@ -317,7 +574,7 @@ void Fl_Help_View::Font_Stack::pop(Fl_Font &f, Fl_Fontsize &s, Fl_Color &c) { \brief Gets the current count of font style elements in the stack. \return stack size in number of elements */ -size_t Fl_Help_View::Font_Stack::count() const { +size_t Fl_Help_View::Impl::Font_Stack::count() const { return elts_.size(); } @@ -329,7 +586,7 @@ size_t Fl_Help_View::Font_Stack::count() const { /** \brief Frees memory used for the document. */ -void Fl_Help_View::free_data() { +void Fl_Help_View::Impl::free_data() { // Release all images... if (value_) { const char *ptr, // Pointer into block @@ -411,7 +668,7 @@ void Fl_Help_View::free_data() { \parm[in] xx, yy Pixel coordinates inside the widget. \return Shared pointer to the link if found, nullptr otherwise. */ -std::shared_ptr<Fl_Help_View::Link> Fl_Help_View::find_link(int xx, int yy) +std::shared_ptr<Fl_Help_View::Impl::Link> Fl_Help_View::Impl::find_link(int xx, int yy) { for (auto &link : link_list_) { if (link->box.contains(xx, yy)) { @@ -428,10 +685,10 @@ std::shared_ptr<Fl_Help_View::Link> Fl_Help_View::find_link(int xx, int yy) scrolls to a target line in the current document. \param linkp Shared pointer to the link to follow. */ -void Fl_Help_View::follow_link(std::shared_ptr<Link> linkp) +void Fl_Help_View::Impl::follow_link(std::shared_ptr<Link> linkp) { clear_selection(); - set_changed(); + view.set_changed(); std::string target = linkp->target;; // Current target if ( (linkp->filename_ != filename_) && !linkp->filename_.empty() ) { @@ -495,7 +752,7 @@ void Fl_Help_View::follow_link(std::shared_ptr<Link> linkp) \param[in] border Draw border? \return Pointer to the new block in the list. */ -Fl_Help_View::Text_Block *Fl_Help_View::add_block( +Fl_Help_View::Impl::Text_Block *Fl_Help_View::Impl::add_block( const char *s, int xx, int yy, int ww, int hh, unsigned char border) @@ -527,7 +784,7 @@ Fl_Help_View::Text_Block *Fl_Help_View::add_block( \param[in] link a filename, followed by a hash and a target. All parts are optional. \param[in] xx, yy, ww, hh bounding box of the link text on screen */ -void Fl_Help_View::add_link(const std::string &link, int xx, int yy, int ww, int hh) +void Fl_Help_View::Impl::add_link(const std::string &link, int xx, int yy, int ww, int hh) { auto new_link = std::make_shared<Link>(); // Create a new link storage object. @@ -553,7 +810,7 @@ void Fl_Help_View::add_link(const std::string &link, int xx, int yy, int ww, int \param[in] n Name of target (string) \param[in] yy line number of target position */ -void Fl_Help_View::add_target(const std::string &n, int yy) +void Fl_Help_View::Impl::add_target(const std::string &n, int yy) { std::string target = to_lower(n); // Convert target name to lower case target_line_map_[target] = yy; // Store the target line in the map @@ -569,7 +826,7 @@ void Fl_Help_View::add_target(const std::string &n, int yy) \param[in,out] l Starting link index for alignment adjustment \return The new line number after alignment adjustment */ -int Fl_Help_View::do_align( +int Fl_Help_View::Impl::do_align( Text_Block *block, int line, int xx, @@ -616,7 +873,7 @@ int Fl_Help_View::do_align( exceeds the available width (to adjust hsize_), and an inner loop that parses the text, handles tags, manages formatting state, and builds the layout structures. */ -void Fl_Help_View::format() { +void Fl_Help_View::Impl::format() { int i; // Looping var int done; // Are we done yet? Text_Block *block, // Current block @@ -650,7 +907,7 @@ void Fl_Help_View::format() { columns[MAX_COLUMNS]; // Column widths Fl_Color tc, rc; // Table/row background color - Fl_Boxtype b = box() ? box() : FL_DOWN_BOX; + Fl_Boxtype b = view.box() ? view.box() : FL_DOWN_BOX; // Box to draw... Margin_Stack margins; // Left margin stack... std::vector<int> OL_num; // if nonnegative, in OL mode and this is the item number @@ -661,7 +918,7 @@ void Fl_Help_View::format() { // Reset document width... int scrollsize = scrollbar_size_ ? scrollbar_size_ : Fl::scrollbar_size(); - hsize_ = w() - scrollsize - Fl::box_dw(b); + hsize_ = view.w() - scrollsize - Fl::box_dw(b); done = 0; while (!done) @@ -672,9 +929,9 @@ void Fl_Help_View::format() { link_list_.clear(); target_line_map_.clear(); size_ = 0; - bgcolor_ = color(); + bgcolor_ = view.color(); textcolor_ = textcolor(); - linkcolor_ = fl_contrast(FL_BLUE, color()); + linkcolor_ = fl_contrast(FL_BLUE, view.color()); tc = rc = bgcolor_; @@ -852,11 +1109,11 @@ void Fl_Help_View::format() { else if (buf.cmp("BODY")) { bgcolor_ = get_color(get_attr(attrs, "BGCOLOR", attr, sizeof(attr)), - color()); + view.color()); textcolor_ = get_color(get_attr(attrs, "TEXT", attr, sizeof(attr)), textcolor()); linkcolor_ = get_color(get_attr(attrs, "LINK", attr, sizeof(attr)), - fl_contrast(FL_BLUE, color())); + fl_contrast(FL_BLUE, view.color())); } else if (buf.cmp("BR")) { @@ -1405,43 +1662,43 @@ void Fl_Help_View::format() { int dw = Fl::box_dw(b) + ss; int dh = Fl::box_dh(b); - if (hsize_ > (w() - dw)) { - hscrollbar_.show(); + if (hsize_ > (view.w() - dw)) { + view.hscrollbar_.show(); dh += ss; - if (size_ < (h() - dh)) { - scrollbar_.hide(); - hscrollbar_.resize(x() + Fl::box_dx(b), y() + h() - ss - dy, - w() - Fl::box_dw(b), ss); + if (size_ < (view.h() - dh)) { + view.scrollbar_.hide(); + view.hscrollbar_.resize(view.x() + Fl::box_dx(b), view.y() + view.h() - ss - dy, + view.w() - Fl::box_dw(b), ss); } else { - scrollbar_.show(); - scrollbar_.resize(x() + w() - ss - dx, y() + Fl::box_dy(b), - ss, h() - ss - Fl::box_dh(b)); - hscrollbar_.resize(x() + Fl::box_dx(b), y() + h() - ss - dy, - w() - ss - Fl::box_dw(b), ss); + view.scrollbar_.show(); + view.scrollbar_.resize(view.x() +view. w() - ss - dx, view.y() + Fl::box_dy(b), + ss, view.h() - ss - Fl::box_dh(b)); + view.hscrollbar_.resize(view.x() + Fl::box_dx(b), view.y() + view.h() - ss - dy, + view.w() - ss - Fl::box_dw(b), ss); } } else { - hscrollbar_.hide(); + view.hscrollbar_.hide(); - if (size_ < (h() - dh)) scrollbar_.hide(); + if (size_ < (view.h() - dh)) view.scrollbar_.hide(); else { - scrollbar_.resize(x() + w() - ss - dx, y() + Fl::box_dy(b), - ss, h() - Fl::box_dh(b)); - scrollbar_.show(); + view.scrollbar_.resize(view.x() + view.w() - ss - dx, view.y() + Fl::box_dy(b), + ss, view.h() - Fl::box_dh(b)); + view.scrollbar_.show(); } } // Reset scrolling if it needs to be... - if (scrollbar_.visible()) { - int temph = h() - Fl::box_dh(b); - if (hscrollbar_.visible()) temph -= ss; + if (view.scrollbar_.visible()) { + int temph = view.h() - Fl::box_dh(b); + if (view.hscrollbar_.visible()) temph -= ss; if ((topline_ + temph) > size_) topline(size_ - temph); else topline(topline_); } else topline(0); - if (hscrollbar_.visible()) { - int tempw = w() - ss - Fl::box_dw(b); + if (view.hscrollbar_.visible()) { + int tempw = view.w() - ss - Fl::box_dw(b); if ((leftline_ + tempw) > hsize_) leftline(hsize_ - tempw); else leftline(leftline_); } else leftline(0); @@ -1454,7 +1711,7 @@ void Fl_Help_View::format() { \param[out] columns Array of column widths \param[in] table Pointer to the start of the table in the HTML text */ -void Fl_Help_View::format_table( +void Fl_Help_View::Impl::format_table( int *table_width, int *columns, const char *table) @@ -1881,7 +2138,7 @@ void Fl_Help_View::format_table( \param[in] a Default alignment. \return Alignment value, either CENTER, RIGHT, or LEFT. */ -Fl_Help_View::Align Fl_Help_View::get_align(const char *p, Align a) +Fl_Help_View::Impl::Align Fl_Help_View::Impl::get_align(const char *p, Align a) { char buf[255]; // Alignment value @@ -1905,7 +2162,7 @@ Fl_Help_View::Align Fl_Help_View::get_align(const char *p, Align a) \param[in] bufsize Size of buffer. \return Pointer to buf or nullptr if not found. */ -const char *Fl_Help_View::get_attr( +const char *Fl_Help_View::Impl::get_attr( const char *p, const char *n, char *buf, @@ -1982,7 +2239,7 @@ const char *Fl_Help_View::get_attr( \param[in] c the default color value. \return the color value, either the color from the name or the default value. */ -Fl_Color Fl_Help_View::get_color(const char *n, Fl_Color c) +Fl_Color Fl_Help_View::Impl::get_color(const char *n, Fl_Color c) { int i; // Looping var int rgb, r, g, b; // RGB values @@ -2040,7 +2297,7 @@ Fl_Color Fl_Help_View::get_color(const char *n, Fl_Color c) /* Implementation note: (A.S. Apr 05, 2009) - Fl_Help_View::get_image() uses a static global flag (initial_load) + Fl_Help_View::Impl::get_image() uses a static global flag (initial_load) to determine, if it is called from the initial loading of a document (load() or value()), or from resize() or draw(). @@ -2078,11 +2335,11 @@ Fl_Color Fl_Help_View::get_color(const char *n, Fl_Color c) \return a pointer to a cached Fl_Shared_Image, if the image can be loaded, otherwise a pointer to an internal Fl_Pixmap (broken_image). - \todo Fl_Help_View::get_image() returns a pointer to the internal + \todo Fl_Help_View::Impl::get_image() returns a pointer to the internal Fl_Pixmap broken_image, but this is _not_ compatible with the return type Fl_Shared_Image (release() must not be called). */ -Fl_Shared_Image *Fl_Help_View::get_image(const char *name, int W, int H) +Fl_Shared_Image *Fl_Help_View::Impl::get_image(const char *name, int W, int H) { std::string url; Fl_Shared_Image *ip; // Image pointer... @@ -2122,7 +2379,7 @@ Fl_Shared_Image *Fl_Help_View::get_image(const char *name, int W, int H) url = imagename; } if (link_) { - const char *n = (*link_)(this, url.c_str()); + const char *n = (*link_)(&view, url.c_str()); if (n == nullptr) return 0; url = n; @@ -2155,7 +2412,7 @@ Fl_Shared_Image *Fl_Help_View::get_image(const char *name, int W, int H) \param[in] l string containing the length value \return the length in pixels, or 0 if the string is empty. */ -int Fl_Help_View::get_length(const char *l) { +int Fl_Help_View::Impl::get_length(const char *l) { int val; if (!l[0]) return 0; @@ -2201,7 +2458,7 @@ int Fl_Help_View::get_length(const char *l) { \param[in] y Y position to draw at \param[in] entity_extra_length (unclear) */ -void Fl_Help_View::hv_draw(const char *t, int x, int y, int entity_extra_length) +void Fl_Help_View::Impl::hv_draw(const char *t, int x, int y, int entity_extra_length) { if (draw_mode_ == Mode::DRAW) { if (selected_ && current_pos_<selection_last_ && current_pos_>=selection_first_) { @@ -2247,7 +2504,7 @@ void Fl_Help_View::hv_draw(const char *t, int x, int y, int entity_extra_length) \return 1 if the selection was started, 0 if not. */ -char Fl_Help_View::begin_selection() +char Fl_Help_View::Impl::begin_selection() { clear_selection(); selection_push_first_ = selection_push_last_ = 0; @@ -2272,7 +2529,7 @@ char Fl_Help_View::begin_selection() \brief Called from `handle()>FL_DRAG`, extending text selection. \return 1 if more than just the initial text is selected. */ -char Fl_Help_View::extend_selection() +char Fl_Help_View::Impl::extend_selection() { if (Fl::event_is_click()) return 0; @@ -2280,8 +2537,8 @@ char Fl_Help_View::extend_selection() // Give this widget the focus during the selection process. This will // deselect other text selection and make sure, we receive the Copy // keyboard shortcut. - if (Fl::focus()!=this) - Fl::focus(this); + if (Fl::focus()!=&view) + Fl::focus(&view); // printf("old selection_first_=%d, selection_last_=%d\n", // selection_first_, selection_last_); @@ -2327,7 +2584,7 @@ char Fl_Help_View::extend_selection() \brief Called from `handle()>FL_RELEASE`, ends text selection process. This method clears the static selection helper member variables. */ -void Fl_Help_View::end_selection() +void Fl_Help_View::Impl::end_selection() { selection_push_first_ = 0; selection_push_last_ = 0; @@ -2343,7 +2600,11 @@ void Fl_Help_View::end_selection() /** \brief Draws the Fl_Help_View widget. */ -void Fl_Help_View::draw() +void Fl_Help_View::draw() { + impl_->draw(); +} + +void Fl_Help_View::Impl::draw() { int i; // Looping var const Text_Block *block; // Pointer to current block @@ -2358,7 +2619,7 @@ void Fl_Help_View::draw() Fl_Color fcolor; // current font color int head, pre, // Flags for text needspace; // Do we need whitespace? - Fl_Boxtype b = box() ? box() : FL_DOWN_BOX; + Fl_Boxtype b = view.box() ? view.box() : FL_DOWN_BOX; // Box to draw... int underline, // Underline text? xtra_ww; // Extra width for underlined space between words @@ -2366,33 +2627,33 @@ void Fl_Help_View::draw() DEBUG_FUNCTION(__LINE__,__FUNCTION__); // Draw the scrollbar(s) and box first... - ww = w(); - hh = h(); + ww = view.w(); + hh = view.h(); i = 0; - draw_box(b, x(), y(), ww, hh, bgcolor_); + view.draw_box(b, view.x(), view.y(), ww, hh, bgcolor_); - if ( hscrollbar_.visible() || scrollbar_.visible() ) { + if ( view.hscrollbar_.visible() || view.scrollbar_.visible() ) { int scrollsize = scrollbar_size_ ? scrollbar_size_ : Fl::scrollbar_size(); - int hor_vis = hscrollbar_.visible(); - int ver_vis = scrollbar_.visible(); + int hor_vis = view.hscrollbar_.visible(); + int ver_vis = view.scrollbar_.visible(); // Scrollbar corner - int scorn_x = x() + ww - (ver_vis?scrollsize:0) - Fl::box_dw(b) + Fl::box_dx(b); - int scorn_y = y() + hh - (hor_vis?scrollsize:0) - Fl::box_dh(b) + Fl::box_dy(b); + int scorn_x = view.x() + ww - (ver_vis?scrollsize:0) - Fl::box_dw(b) + Fl::box_dx(b); + int scorn_y = view.y() + hh - (hor_vis?scrollsize:0) - Fl::box_dh(b) + Fl::box_dy(b); if ( hor_vis ) { - if ( hscrollbar_.h() != scrollsize ) { // scrollsize changed? - hscrollbar_.resize(x(), scorn_y, scorn_x - x(), scrollsize); - init_sizes(); + if ( view.hscrollbar_.h() != scrollsize ) { // scrollsize changed? + view.hscrollbar_.resize(view.x(), scorn_y, scorn_x - view.x(), scrollsize); + view.init_sizes(); } - draw_child(hscrollbar_); + view.draw_child(view.hscrollbar_); hh -= scrollsize; } if ( ver_vis ) { - if ( scrollbar_.w() != scrollsize ) { // scrollsize changed? - scrollbar_.resize(scorn_x, y(), scrollsize, scorn_y - y()); - init_sizes(); + if ( view.scrollbar_.w() != scrollsize ) { // scrollsize changed? + view.scrollbar_.resize(scorn_x, view.y(), scrollsize, scorn_y - view.y()); + view.init_sizes(); } - draw_child(scrollbar_); + view.draw_child(view.scrollbar_); ww -= scrollsize; } if ( hor_vis && ver_vis ) { @@ -2406,25 +2667,25 @@ void Fl_Help_View::draw() return; if (selected_) { - if (Fl::focus() == this) { + if (Fl::focus() == &view) { // If this widget has the focus, we use the selection color directly - tmp_selection_color_ = selection_color(); + tmp_selection_color_ = view.selection_color(); } else { // Otherwise we blend the selection color with the background color - tmp_selection_color_ = fl_color_average(bgcolor_, selection_color(), 0.8f); + tmp_selection_color_ = fl_color_average(bgcolor_, view.selection_color(), 0.8f); } selection_text_color_ = fl_contrast(textcolor_, tmp_selection_color_); } current_pos_ = 0; // Clip the drawing to the inside of the box... - fl_push_clip(x() + Fl::box_dx(b), y() + Fl::box_dy(b), + fl_push_clip(view.x() + Fl::box_dx(b), view.y() + Fl::box_dy(b), ww - Fl::box_dw(b), hh - Fl::box_dh(b)); fl_color(textcolor_); // Draw all visible blocks... for (i = 0, block = &blocks_[0]; i < (int)blocks_.size(); i ++, block ++) - if ((block->y + block->h) >= topline_ && block->y < (topline_ + h())) + if ((block->y + block->h) >= topline_ && block->y < (topline_ + view.h())) { line = 0; xx = block->line[line]; @@ -2460,13 +2721,13 @@ void Fl_Help_View::draw() hh = 0; } - hv_draw(buf.c_str(), xx + x() - leftline_, yy + y(), entity_extra_length); + hv_draw(buf.c_str(), xx + view.x() - leftline_, yy + view.y(), entity_extra_length); buf.clear(); entity_extra_length = 0; if (underline) { xtra_ww = isspace((*ptr)&255)?(int)fl_width(' '):0; - fl_xyline(xx + x() - leftline_, yy + y() + 1, - xx + x() - leftline_ + ww + xtra_ww); + fl_xyline(xx + view.x() - leftline_, yy + view.y() + 1, + xx + view.x() - leftline_ + ww + xtra_ww); } current_pos_ = (int) (ptr-value_); @@ -2482,9 +2743,9 @@ void Fl_Help_View::draw() { if (*ptr == '\n') { - hv_draw(buf.c_str(), xx + x() - leftline_, yy + y()); - if (underline) fl_xyline(xx + x() - leftline_, yy + y() + 1, - xx + x() - leftline_ + buf.width()); + hv_draw(buf.c_str(), xx + view.x() - leftline_, yy + view.y()); + if (underline) fl_xyline(xx + view.x() - leftline_, yy + view.y() + 1, + xx + view.x() - leftline_ + buf.width()); buf.clear(); current_pos_ = (int) (ptr-value_); if (line < 31) @@ -2511,11 +2772,11 @@ void Fl_Help_View::draw() if (buf.size() > 0) { - hv_draw(buf.c_str(), xx + x() - leftline_, yy + y()); + hv_draw(buf.c_str(), xx + view.x() - leftline_, yy + view.y()); ww = buf.width(); buf.clear(); - if (underline) fl_xyline(xx + x() - leftline_, yy + y() + 1, - xx + x() - leftline_ + ww); + if (underline) fl_xyline(xx + view.x() - leftline_, yy + view.y() + 1, + xx + view.x() - leftline_ + ww); xx += ww; current_pos_ = (int) (ptr-value_); } @@ -2573,8 +2834,8 @@ void Fl_Help_View::draw() } else if (buf.cmp("HR")) { - fl_line(block->x + x(), yy + y(), block->w + x(), - yy + y()); + fl_line(block->x + view.x(), yy + view.y(), block->w + view.x(), + yy + view.y()); if (line < 31) line ++; @@ -2620,12 +2881,12 @@ void Fl_Help_View::draw() if (block->ol) { char buf[10]; snprintf(buf, sizeof(buf), "%d. ", block->ol_num); - hv_draw(buf, xx - (int)fl_width(buf) + x() - leftline_, yy + y()); + hv_draw(buf, xx - (int)fl_width(buf) + view.x() - leftline_, yy + view.y()); } else { // draw bullet (•) Unicode: U+2022, UTF-8 (hex): e2 80 a2 unsigned char bullet[4] = { 0xe2, 0x80, 0xa2, 0x00 }; - hv_draw((char *)bullet, xx - fsize + x() - leftline_, yy + y()); + hv_draw((char *)bullet, xx - fsize + view.x() - leftline_, yy + view.y()); } } @@ -2709,8 +2970,8 @@ void Fl_Help_View::draw() ty = 0; } - tx += x(); - ty += y(); + tx += view.x(); + ty += view.y(); if (block->bgcolor != bgcolor_) { @@ -2794,8 +3055,8 @@ void Fl_Help_View::draw() } if (img) { - img->draw(xx + x() - leftline_, - yy + y() - fl_height() + fl_descent() + 2); + img->draw(xx + view.x() - leftline_, + yy + view.y() - fl_height() + fl_descent() + 2); } xx += ww; @@ -2808,7 +3069,7 @@ void Fl_Help_View::draw() } else if (*ptr == '\n' && pre) { - hv_draw(buf.c_str(), xx + x() - leftline_, yy + y()); + hv_draw(buf.c_str(), xx + view.x() - leftline_, yy + view.y()); buf.clear(); if (line < 31) @@ -2888,9 +3149,9 @@ void Fl_Help_View::draw() if (buf.size() > 0 && !head) { - hv_draw(buf.c_str(), xx + x() - leftline_, yy + y()); - if (underline) fl_xyline(xx + x() - leftline_, yy + y() + 1, - xx + x() - leftline_ + ww); + hv_draw(buf.c_str(), xx + view.x() - leftline_, yy + view.y()); + if (underline) fl_xyline(xx + view.x() - leftline_, yy + view.y() + 1, + xx + view.x() - leftline_ + ww); current_pos_ = (int) (ptr-value_); } } @@ -2906,39 +3167,12 @@ void Fl_Help_View::draw() */ Fl_Help_View::Fl_Help_View(int xx, int yy, int ww, int hh, const char *l) : Fl_Group(xx, yy, ww, hh, l), + impl_(new Fl_Help_View::Impl(this)), scrollbar_(xx + ww - Fl::scrollbar_size(), yy, Fl::scrollbar_size(), hh - Fl::scrollbar_size()), hscrollbar_(xx, yy + hh - Fl::scrollbar_size(), ww - Fl::scrollbar_size(), Fl::scrollbar_size()) { color(FL_BACKGROUND2_COLOR, FL_SELECTION_COLOR); - defcolor_ = FL_FOREGROUND_COLOR; - bgcolor_ = FL_BACKGROUND_COLOR; - textcolor_ = FL_FOREGROUND_COLOR; - linkcolor_ = FL_SELECTION_COLOR; - textfont_ = FL_TIMES; - textsize_ = 12; - value_ = nullptr; - - blocks_.clear(); - - link_ = (Fl_Help_Func *)0; - - link_list_.clear(); - directory_.clear(); - filename_.clear(); - - topline_ = 0; - leftline_ = 0; - size_ = 0; - hsize_ = 0; - - selection_mode_ = Mode::DRAW; - selected_ = false; - selection_first_ = 0; - selection_last_ = 0; - - scrollbar_size_ = 0; - scrollbar_.value(0, hh, 0, 1); scrollbar_.step(8.0); scrollbar_.show(); @@ -2968,8 +3202,6 @@ Fl_Help_View::Fl_Help_View(int xx, int yy, int ww, int hh, const char *l) */ Fl_Help_View::~Fl_Help_View() { - clear_selection(); - free_data(); } @@ -2980,25 +3212,30 @@ Fl_Help_View::~Fl_Help_View() */ int Fl_Help_View::handle(int event) { + return impl_->handle(event); +} + +int Fl_Help_View::Impl::handle(int event) +{ static std::shared_ptr<Link> linkp = nullptr; // currently clicked link - int xx = Fl::event_x() - x() + leftline_; - int yy = Fl::event_y() - y() + topline_; + int xx = Fl::event_x() - view.x() + leftline_; + int yy = Fl::event_y() - view.y() + topline_; switch (event) { case FL_FOCUS: // Selection style changes, so ask for a redraw if (selected_) - redraw(); + view.redraw(); return 1; case FL_UNFOCUS: // Selection style changes, so ask for a redraw if (selected_) - redraw(); + view.redraw(); return 1; case FL_ENTER : - Fl_Group::handle(event); + view.Fl_Group::handle(event); return 1; case FL_LEAVE : fl_cursor(FL_CURSOR_DEFAULT); @@ -3010,7 +3247,7 @@ int Fl_Help_View::handle(int event) case FL_PUSH: // RMB will pop up a menu if (Fl::event_button() == FL_RIGHT_MOUSE) { - rmb_menu[0].label(copy_menu_text); + rmb_menu[0].label(view.copy_menu_text); if (text_selected()) rmb_menu[0].activate(); else @@ -3025,7 +3262,7 @@ int Fl_Help_View::handle(int event) return 1; } // Check if the scrollbars used up the event - if (Fl_Group::handle(event)) + if (view.Fl_Group::handle(event)) return 1; // Check if the user clicked on a link linkp = find_link(xx, yy); @@ -3059,7 +3296,7 @@ int Fl_Help_View::handle(int event) // If the FL_PUSH started a selection, we extend the selection if (selection_mode_ == Mode::PUSH) { if (extend_selection()) - redraw(); + view.redraw(); fl_cursor(FL_CURSOR_INSERT); return 1; } @@ -3088,14 +3325,14 @@ int Fl_Help_View::handle(int event) int mods = Fl::event_state() & (FL_META|FL_CTRL|FL_ALT|FL_SHIFT); if ( mods == FL_COMMAND) { switch ( Fl::event_key() ) { - case 'a': select_all(); redraw(); return 1; + case 'a': select_all(); view.redraw(); return 1; case 'c': case 'x': copy(1); return 1; } } break; } } - return (Fl_Group::handle(event)); + return (view.Fl_Group::handle(event)); } @@ -3105,16 +3342,21 @@ int Fl_Help_View::handle(int event) */ void Fl_Help_View::resize(int xx, int yy, int ww, int hh) { - Fl_Boxtype b = box() ? box() : FL_DOWN_BOX; // Box to draw... + impl_->resize(xx, yy, ww, hh); +} + +void Fl_Help_View::Impl::resize(int xx, int yy, int ww, int hh) +{ + Fl_Boxtype b = view.box() ? view.box() : FL_DOWN_BOX; // Box to draw... - Fl_Widget::resize(xx, yy, ww, hh); + view.Fl_Widget::resize(xx, yy, ww, hh); int scrollsize = scrollbar_size_ ? scrollbar_size_ : Fl::scrollbar_size(); - scrollbar_.resize(x() + w() - scrollsize - Fl::box_dw(b) + Fl::box_dx(b), - y() + Fl::box_dy(b), scrollsize, h() - scrollsize - Fl::box_dh(b)); - hscrollbar_.resize(x() + Fl::box_dx(b), - y() + h() - scrollsize - Fl::box_dh(b) + Fl::box_dy(b), - w() - scrollsize - Fl::box_dw(b), scrollsize); + view.scrollbar_.resize(view.x() + view.w() - scrollsize - Fl::box_dw(b) + Fl::box_dx(b), + view.y() + Fl::box_dy(b), scrollsize, view.h() - scrollsize - Fl::box_dh(b)); + view.hscrollbar_.resize(view.x() + Fl::box_dx(b), + view.y() + view.h() - scrollsize - Fl::box_dh(b) + Fl::box_dy(b), + view.w() - scrollsize - Fl::box_dw(b), scrollsize); format(); } @@ -3132,11 +3374,15 @@ void Fl_Help_View::resize(int xx, int yy, int ww, int hh) \param[in] val Text to view, or nullptr to clear the widget, Fl_Help_View will creat a local copy of the string. */ -void Fl_Help_View::value(const char *val) +void Fl_Help_View::value(const char *val) { + impl_->value(val); +} + +void Fl_Help_View::Impl::value(const char *val) { clear_selection(); free_data(); - set_changed(); + view.set_changed(); if (!val) return; @@ -3171,7 +3417,11 @@ void Fl_Help_View::value(const char *val) \see fl_open_uri() */ -int Fl_Help_View::load(const char *f) +int Fl_Help_View::load(const char *f) { + return impl_->load(f); +} + +int Fl_Help_View::Impl::load(const char *f) { FILE *fp; // File to read from long len; // Length of file @@ -3201,7 +3451,7 @@ int Fl_Help_View::load(const char *f) } if (link_) { - const char *n = (*link_)(this, newname.c_str()); + const char *n = (*link_)(&view, newname.c_str()); if (n == nullptr) return 0; localname = n; @@ -3244,7 +3494,7 @@ int Fl_Help_View::load(const char *f) } if (link_) { - const char *n = (*link_)(this, newname.c_str()); + const char *n = (*link_)(&view, newname.c_str()); if (n == nullptr) return -1; localname = n; @@ -3322,7 +3572,11 @@ int Fl_Help_View::load(const char *f) \param[in] p starting position for search (0,...), Default = 0 \return the matching position or -1 if not found */ -int Fl_Help_View::find(const char *s, int p) +int Fl_Help_View::find(const char *s, int p) { + return impl_->find(s, p); +} + +int Fl_Help_View::Impl::find(const char *s, int p) { int i, // Looping var c; // Current character @@ -3444,6 +3698,11 @@ int Fl_Help_View::find(const char *s, int p) \param[in] fn Pointer to the callback function */ void Fl_Help_View::link(Fl_Help_Func *fn) { + impl_->link(fn); +} + +void Fl_Help_View::Impl::link(Fl_Help_Func *fn) +{ link_ = fn; } @@ -3457,6 +3716,10 @@ void Fl_Help_View::link(Fl_Help_Func *fn) { \return nullptr if the filename is empty */ const char *Fl_Help_View::filename() const { + return impl_->filename(); // Ensure the filename is up to date +} + +const char *Fl_Help_View::Impl::filename() const { if (filename_.empty()) return nullptr; else @@ -3473,6 +3736,10 @@ const char *Fl_Help_View::filename() const { \return nullptr if the directory name is empty */ const char *Fl_Help_View::directory() const { + return impl_->directory(); // Ensure the directory is up to date +} + +const char *Fl_Help_View::Impl::directory() const { if (directory_.empty()) return nullptr; else @@ -3489,6 +3756,11 @@ const char *Fl_Help_View::directory() const { \return empty string if the directory name is empty */ const char *Fl_Help_View::title() const { + return impl_->title(); // Ensure the title is up to date +} + +const char *Fl_Help_View::Impl::title() const +{ return title_.c_str(); } @@ -3499,7 +3771,11 @@ const char *Fl_Help_View::title() const { \brief Scroll the text to the given anchor. \param[in] anchor scroll to this named anchor */ -void Fl_Help_View::topline(const char *anchor) +void Fl_Help_View::topline(const char *anchor) { + impl_->topline(anchor); +} + +void Fl_Help_View::Impl::topline(const char *anchor) { std::string target_name = to_lower(anchor); // Convert to lower case auto tl = target_line_map_.find(target_name); @@ -3521,24 +3797,28 @@ void Fl_Help_View::topline(const char *anchor) \param[in] top top line number in pixels (0 = start of document) */ -void Fl_Help_View::topline(int top) +void Fl_Help_View::topline(int top) { + impl_->topline(top); +} + +void Fl_Help_View::Impl::topline(int top) { if (!value_) return; int scrollsize = scrollbar_size_ ? scrollbar_size_ : Fl::scrollbar_size(); - if (size_ < (h() - scrollsize) || top < 0) + if (size_ < (view.h() - scrollsize) || top < 0) top = 0; else if (top > size_) top = size_; topline_ = top; - scrollbar_.value(topline_, h() - scrollsize, 0, size_); + view.scrollbar_.value(topline_, view.h() - scrollsize, 0, size_); - do_callback(FL_REASON_DRAGGED); + view.do_callback(FL_REASON_DRAGGED); - redraw(); + view.redraw(); } @@ -3550,22 +3830,26 @@ void Fl_Help_View::topline(int top) \param[in] left left column number in pixels (0 = left side) */ -void Fl_Help_View::leftline(int left) +void Fl_Help_View::leftline(int left) { + impl_->leftline(left); +} + +void Fl_Help_View::Impl::leftline(int left) { if (!value_) return; int scrollsize = scrollbar_size_ ? scrollbar_size_ : Fl::scrollbar_size(); - if (hsize_ < (w() - scrollsize) || left < 0) + if (hsize_ < (view.w() - scrollsize) || left < 0) left = 0; else if (left > hsize_) left = hsize_; leftline_ = left; - hscrollbar_.value(leftline_, w() - scrollsize, 0, hsize_); + view.hscrollbar_.value(leftline_, view.w() - scrollsize, 0, hsize_); - redraw(); + view.redraw(); } @@ -3574,19 +3858,27 @@ void Fl_Help_View::leftline(int left) /** \brief Removes the current text selection. */ -void Fl_Help_View::clear_selection() +void Fl_Help_View::clear_selection() { + impl_->clear_selection(); +} + +void Fl_Help_View::Impl::clear_selection() { selected_ = false; selection_first_ = 0; selection_last_ = 0; - redraw(); + view.redraw(); } /** \brief Selects all the text in the view. */ -void Fl_Help_View::select_all() +void Fl_Help_View::select_all() { + impl_->select_all(); +} + +void Fl_Help_View::Impl::select_all() { clear_selection(); if (!value_) return; @@ -3601,6 +3893,11 @@ void Fl_Help_View::select_all() \return 1 if text is selected, 0 if no text is selected */ int Fl_Help_View::text_selected() { + return impl_->text_selected(); +} + +int Fl_Help_View::Impl::text_selected() +{ return selected_; } @@ -3611,6 +3908,11 @@ int Fl_Help_View::text_selected() { \return 1 if text is selected, 0 if no text is selected */ int Fl_Help_View::copy(int clipboard) { + return impl_->copy(clipboard); +} + +int Fl_Help_View::Impl::copy(int clipboard) +{ if (!selected_) return 0; @@ -3713,7 +4015,11 @@ int Fl_Help_View::copy(int clipboard) { \see Fl::scrollbar_size(int) */ int Fl_Help_View::scrollbar_size() const { - return(scrollbar_size_); + return impl_->scrollbar_size(); +} + +int Fl_Help_View::Impl::scrollbar_size() const { + return(scrollbar_size_); } @@ -3737,31 +4043,13 @@ int Fl_Help_View::scrollbar_size() const { \see Fl::scrollbar_size() */ void Fl_Help_View::scrollbar_size(int newSize) { - scrollbar_size_ = newSize; + impl_->scrollbar_size(newSize); } - - - - - - - - - - - - - - - - - - - - - - +void Fl_Help_View::Impl::scrollbar_size(int newSize) +{ + scrollbar_size_ = newSize; +} /** @@ -4027,3 +4315,33 @@ static size_t url_scheme(const std::string &url, bool skip_slashes) } return 0; // No scheme found } + +/** Return a pointer to the internal text buffer. */ +const char *Fl_Help_View::value() const { return impl_->value(); } + +/** Return the document height in pixels. */ +int Fl_Help_View::size() const { return impl_->size(); } + +/** Set the default text color. */ +void Fl_Help_View::textcolor(Fl_Color c) { impl_->textcolor(c); } + +/** Return the current default text color. */ +Fl_Color Fl_Help_View::textcolor() const { return impl_->textcolor(); } + +/** Set the default text font. */ +void Fl_Help_View::textfont(Fl_Font f) { impl_->textfont(f); } + +/** Return the default text font. */ +Fl_Font Fl_Help_View::textfont() const { return impl_->textfont(); } + +/** Set the default text size. */ +void Fl_Help_View::textsize(Fl_Fontsize s) { impl_->textsize(s); } + +/** Get the default text size. */ +Fl_Fontsize Fl_Help_View::textsize() const { return impl_->textsize(); } + +/** Get the current top line in pixels. */ +int Fl_Help_View::topline() const { return impl_->topline(); } + +/** Get the left position in pixels. */ +int Fl_Help_View::leftline() const { return impl_->leftline(); } |