0558b53493
The XS was left only for the unit / integration tests, and it links libslic3r only. No wxWidgets are allowed to be used from Perl starting from now.
71 lines
1.8 KiB
C++
71 lines
1.8 KiB
C++
#ifndef IPROGRESSINDICATOR_HPP
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#define IPROGRESSINDICATOR_HPP
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#include <string>
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#include <functional>
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namespace Slic3r {
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/**
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* @brief Generic progress indication interface.
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*/
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class ProgressIndicator {
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public:
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using CancelFn = std::function<void(void)>; // Cancel function signature.
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private:
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float state_ = .0f, max_ = 1.f, step_;
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CancelFn cancelfunc_ = [](){};
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public:
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inline virtual ~ProgressIndicator() {}
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/// Get the maximum of the progress range.
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float max() const { return max_; }
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/// Get the current progress state
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float state() const { return state_; }
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/// Set the maximum of the progress range
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virtual void max(float maxval) { max_ = maxval; }
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/// Set the current state of the progress.
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virtual void state(float val) { state_ = val; }
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/**
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* @brief Number of states int the progress. Can be used instead of giving a
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* maximum value.
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*/
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virtual void states(unsigned statenum) {
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step_ = max_ / statenum;
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}
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/// Message shown on the next status update.
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virtual void message(const std::string&) = 0;
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/// Title of the operation.
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virtual void title(const std::string&) = 0;
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/// Formatted message for the next status update. Works just like sprintf.
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virtual void message_fmt(const std::string& fmt, ...);
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/// Set up a cancel callback for the operation if feasible.
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virtual void on_cancel(CancelFn func = CancelFn()) { cancelfunc_ = func; }
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/**
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* Explicitly shut down the progress indicator and call the associated
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* callback.
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*/
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virtual void cancel() { cancelfunc_(); }
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/// Convenience function to call message and status update in one function.
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void update(float st, const std::string& msg) {
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message(msg); state(st);
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}
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};
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}
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#endif // IPROGRESSINDICATOR_HPP
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