A help browser widget. More...
#include <help_browser.hpp>
Public Member Functions | |
help_browser (CVideo &video, const section &toplevel) | |
void | adjust_layout () |
void | show_topic (const std::string &topic_id) |
Display the topic with the specified identifier. More... | |
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const SDL_Rect & | location () const |
virtual void | set_location (const SDL_Rect &rect) |
void | set_location (int x, int y) |
void | set_width (int w) |
void | set_height (int h) |
void | set_measurements (int w, int h) |
int | width () const |
int | height () const |
bool | focus (const SDL_Event *event) |
void | set_focus (bool focus) |
virtual void | hide (bool value=true) |
bool | hidden () const |
virtual void | enable (bool new_val=true) |
bool | enabled () const |
void | set_clip_rect (const SDL_Rect &rect) |
void | set_volatile (bool val=true) |
void | set_dirty (bool dirty=true) |
bool | dirty () const |
const std::string & | id () const |
void | set_id (const std::string &id) |
void | set_help_string (const std::string &str) |
void | set_tooltip_string (const std::string &str) |
virtual void | process_help_string (int mousex, int mousey) |
virtual void | process_tooltip_string (int mousex, int mousey) |
virtual void | draw () |
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virtual bool | requires_event_focus (const SDL_Event *=nullptr) const |
virtual void | join () |
virtual void | join (context &c) |
virtual void | join_same (sdl_handler *parent) |
virtual void | leave () |
virtual void | join_global () |
virtual void | leave_global () |
virtual bool | has_joined () |
virtual bool | has_joined_global () |
sdl_handler & | operator= (sdl_handler &&)=delete |
Moving would require two instances' context membership to be handled, it's simpler to delete these and require the two instances to be separately constructed / destructed. More... | |
sdl_handler (sdl_handler &&)=delete | |
Protected Member Functions | |
virtual void | update_location (const SDL_Rect &rect) |
virtual void | process_event () |
virtual void | handle_event (const SDL_Event &event) |
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widget (CVideo &video, const bool auto_join=true) | |
virtual | ~widget () |
void | bg_register (const SDL_Rect &rect) |
void | bg_restore () const |
void | bg_restore (const SDL_Rect &rect) const |
void | bg_update () |
void | bg_cancel () |
CVideo & | video () const |
virtual void | draw_contents () |
const SDL_Rect * | clip_rect () const |
virtual sdl_handler_vector | member_handlers () |
virtual void | handle_window_event (const SDL_Event &event) |
bool | mouse_locked () const |
void | aquire_mouse_lock () |
void | free_mouse_lock () |
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sdl_handler (const bool auto_join=true) | |
sdl_handler (const sdl_handler &) | |
sdl_handler & | operator= (const sdl_handler &) |
virtual | ~sdl_handler () |
virtual std::vector< sdl_handler * > | handler_members () |
Private Member Functions | |
void | update_cursor () |
Update the current cursor, set it to the reference cursor if mousex, mousey is over a cross-reference, otherwise, set it to the normal cursor. More... | |
void | show_topic (const topic &t, bool save_in_history=true) |
void | move_in_history (std::deque< const topic *> &from, std::deque< const topic *> &to) |
Move in the topic history. More... | |
Private Attributes | |
help_menu | menu_ |
help_text_area | text_area_ |
const section & | toplevel_ |
bool | ref_cursor_ |
std::deque< const topic * > | back_topics_ |
std::deque< const topic * > | forward_topics_ |
gui::button | back_button_ |
gui::button | forward_button_ |
topic const * | shown_topic_ |
Additional Inherited Members | |
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bool | focus_ |
A help browser widget.
Definition at line 30 of file help_browser.hpp.
Definition at line 33 of file help_browser.cpp.
References back_button_, forward_button_, gui::widget::hide(), font::relative_size(), and gui::widget::set_measurements().
void help::help_browser::adjust_layout | ( | ) |
Definition at line 54 of file help_browser.cpp.
References back_button_, forward_button_, gui::widget::height(), gui::widget::location(), menu_, font::relative_size(), gui::widget::set_dirty(), gui::widget::set_height(), gui::widget::set_location(), gui::menu::set_max_height(), gui::menu::set_max_width(), gui::widget::set_width(), text_area_, and gui::widget::width().
Referenced by update_location().
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protectedvirtual |
Reimplemented from gui::widget.
Definition at line 137 of file help_browser.cpp.
References _(), back_button_, back_topics_, help::find_topic(), forward_button_, forward_topics_, gui::widget::handle_event(), gui::widget::hidden(), gui::widget::hide(), move_in_history(), wfl::msg(), help::help_text_area::ref_at(), show_topic(), gui2::show_transient_message(), t, text_area_, toplevel_, and update_cursor().
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Move in the topic history.
Pop an element from from and insert it in to. Pop at the fronts if the maximum number of elements is exceeded.
Definition at line 120 of file help_browser.cpp.
References help::max_history, show_topic(), and shown_topic_.
Referenced by handle_event(), and process_event().
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protectedvirtual |
Reimplemented from events::sdl_handler.
Definition at line 95 of file help_browser.cpp.
References back_button_, back_topics_, help::help_menu::chosen_topic(), forward_button_, forward_topics_, gui::widget::hide(), gui::widget::location(), menu_, move_in_history(), sdl::point_in_rect(), gui::button::pressed(), help::help_menu::process(), show_topic(), and shown_topic_.
void help::help_browser::show_topic | ( | const std::string & | topic_id | ) |
Display the topic with the specified identifier.
Open the menu on the right location and display the topic in the text area.
Definition at line 207 of file help_browser.cpp.
References help::find_topic(), help::hidden_symbol(), t, toplevel_, help::unit_prefix, and help::unknown_unit_topic.
Referenced by handle_event(), move_in_history(), process_event(), and help::show_help().
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Definition at line 221 of file help_browser.cpp.
References back_topics_, forward_topics_, log_scope, help::max_history, menu_, help::help_menu::select_topic(), help::help_text_area::show_topic(), shown_topic_, t, text_area_, and update_cursor().
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Update the current cursor, set it to the reference cursor if mousex, mousey is over a cross-reference, otherwise, set it to the normal cursor.
Definition at line 192 of file help_browser.cpp.
References cursor::HYPERLINK, cursor::NORMAL, help::help_text_area::ref_at(), ref_cursor_, cursor::set(), and text_area_.
Referenced by handle_event(), and show_topic().
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protectedvirtual |
Reimplemented from gui::widget.
Definition at line 90 of file help_browser.cpp.
References adjust_layout().
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Definition at line 67 of file help_browser.hpp.
Referenced by adjust_layout(), handle_event(), help_browser(), and process_event().
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Definition at line 66 of file help_browser.hpp.
Referenced by handle_event(), process_event(), and show_topic().
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Definition at line 67 of file help_browser.hpp.
Referenced by adjust_layout(), handle_event(), help_browser(), and process_event().
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Definition at line 66 of file help_browser.hpp.
Referenced by handle_event(), process_event(), and show_topic().
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Definition at line 62 of file help_browser.hpp.
Referenced by adjust_layout(), process_event(), and show_topic().
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Definition at line 65 of file help_browser.hpp.
Referenced by update_cursor().
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Definition at line 68 of file help_browser.hpp.
Referenced by move_in_history(), process_event(), and show_topic().
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Definition at line 63 of file help_browser.hpp.
Referenced by adjust_layout(), handle_event(), show_topic(), and update_cursor().
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Definition at line 64 of file help_browser.hpp.
Referenced by handle_event(), and show_topic().