133 lines
6.6 KiB
C++
133 lines
6.6 KiB
C++
#pragma once
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#include <string>
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#include <cgv/base/base.h>
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#include <cgv/signal/signal.h>
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#include <cgv/data/ref_counted.h>
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#include "button.h"
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#include "gui_group.h"
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#include "view.h"
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#include "control.h"
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#include "window.h"
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#include "text_editor.h"
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#include "lib_begin.h"
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namespace cgv {
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namespace gui {
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/// abstract %base class for %gui drivers
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class CGV_API gui_driver : public cgv::base::base, public cgv::base::driver
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{
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public:
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/**@name application management*/
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//@{
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/// create a window of the given type. Currently only the types "viewer with gui", "viewer" and "gui" are supported
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virtual window_ptr create_window(int w, int h, const std::string& title, const std::string& window_type) = 0;
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/// set the input focus to the given window
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virtual bool set_focus(const_window_ptr) = 0;
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/// return the number of created windows
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virtual unsigned int get_nr_windows() = 0;
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/// return the i-th created window
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virtual window_ptr get_window(unsigned int i) = 0;
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/// run the main loop of the window system
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virtual bool run() = 0;
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/// quit the application by closing all windows
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virtual void quit(int exit_code) = 0;
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/// copy text to the clipboard
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virtual void copy_to_clipboard(const std::string& s) = 0;
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/// retreive text from clipboard
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virtual std::string paste_from_clipboard() = 0;
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//@}
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/**@name some basic functionality */
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//@{
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/// ask the user with \c _question to select one of the \c answers, where \c default_answer specifies index of default answer
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virtual int question(const std::string& _question, const std::vector<std::string>& answers, int default_answer = -1) = 0;
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//! query the user for a text, where the second parameter is the default \c text as well as the returned text.
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/*! If \c password is true, the text is hidden. The function returns false if the user canceled the input of if no gui driver is available. */
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virtual bool query(const std::string& question, std::string& text, bool password = false) = 0;
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/// create a text editor
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virtual text_editor_ptr create_text_editor(unsigned int w, unsigned int h, const std::string& title, int x, int y) = 0;
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/// ask user for an open dialog that can select multiple files, return common path prefix and fill field of filenames
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virtual std::string files_open_dialog(std::vector<std::string>& file_names, const std::string& title, const std::string& filter, const std::string& path) = 0;
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/// ask user for a file to open
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virtual std::string file_open_dialog(const std::string& title, const std::string& filter, const std::string& path) = 0;
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/// ask user for a file to save
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virtual std::string file_save_dialog(const std::string& title, const std::string& filter, const std::string& path) = 0;
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//@}
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/**@name threading based functionality */
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//@{
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//! lock the main thread of the gui from a child thread before any gui specific call.
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/*! If lock is called several times, the child thread must call unlock the same number of times */
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virtual void lock() = 0;
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/// unlock the main thread
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virtual void unlock() = 0;
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//! wake main thread.
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/*! Ensures that main thead is not going to
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sleep any longer with the given message, that can be
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queried by the main thread with get_wakeup_message(). */
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virtual void wake(const std::string& message = "") = 0;
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/// return the message send by the thread that woke up the main thread with wake()
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virtual std::string get_wakeup_message() = 0;
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/// let the main thread sleep for the given number of seconds
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virtual void sleep(float time_in_seconds) = 0;
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//@}
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/**@name gui elements */
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//@{
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/// process the gui declarations in the given gui file
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virtual bool process_gui_file(const std::string& file_name) = 0;
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/// add a new gui group to the given parent group
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virtual gui_group_ptr add_group(gui_group_ptr parent, const std::string& label, const std::string& group_type, const std::string& options, const std::string& align) = 0;
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/// add a newly created decorator to the parent group
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virtual base_ptr add_decorator(gui_group_ptr parent, const std::string& label, const std::string& decorator_type, const std::string& options, const std::string& align) = 0;
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/// add new button to the parent group
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virtual button_ptr add_button(gui_group_ptr parent, const std::string& label, const std::string& options, const std::string& align) = 0;
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/// add new view to the parent group
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virtual view_ptr add_view(gui_group_ptr parent, const std::string& label, const void* value_ptr, const std::string& value_type, const std::string& gui_type, const std::string& options, const std::string& align) = 0;
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/// find a view in the group
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virtual view_ptr find_view(gui_group_ptr parent, const void* value_ptr, int* idx_ptr) = 0;
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/// add new control to the parent group
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virtual control_ptr add_control(gui_group_ptr parent, const std::string& label, void* value_ptr, abst_control_provider* acp, const std::string& value_type, const std::string& gui_type, const std::string& options, const std::string& align) = 0;
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/// find a control in a group
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virtual control_ptr find_control(gui_group_ptr parent, void* value_ptr, int* idx_ptr) = 0;
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//@}
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/**@name menu elements */
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//@{
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/// add a newly created decorator to the menu
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virtual base_ptr add_menu_separator(const std::string& menu_path) = 0;
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/// use the current gui driver to append a new button in the menu, where menu path is a '/' separated path
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virtual button_ptr add_menu_button(const std::string& menu_path, const std::string& options) = 0;
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/// use this to add a new control to the gui with a given value type, gui type and init options
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virtual data::ref_ptr<control<bool> > add_menu_bool_control(const std::string& menu_path, bool& value, const std::string& options) = 0;
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/// return the element of the given menu path
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virtual base_ptr find_menu_element(const std::string& menu_path) const = 0;
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/// remove a single element from the gui
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virtual void remove_menu_element(base_ptr) = 0;
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//@}
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};
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/// ref counted pointer to driver
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typedef data::ref_ptr<gui_driver> gui_driver_ptr;
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#if _MSC_VER >= 1400
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CGV_TEMPLATE template class CGV_API data::ref_ptr<gui_driver>;
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#endif
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/// return the currently registered gui driver or an empty pointer if non has been registered
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extern CGV_API gui_driver_ptr get_gui_driver();
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//! register a new gui driver.
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/*! This overwrites a previously registered gui driver and should
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be called in the on_register method of the driver*/
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extern CGV_API void register_gui_driver(gui_driver_ptr _driver);
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/// a signal that is emitted when a gui driver is registered
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extern CGV_API cgv::signal::signal<gui_driver_ptr>& on_gui_driver_registration();
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}
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}
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#include <cgv/config/lib_end.h>
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