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InsetExternal: update renderer after preview status change
This fixes a crash when changing instant preview prefs while document with previewed external inset is opened. Fixes: #10785
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@ -524,12 +524,18 @@ bool InsetExternal::showInsetDialog(BufferView * bv) const
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void InsetExternal::metrics(MetricsInfo & mi, Dimension & dim) const
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{
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if (!isRendererValid())
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updatePreview();
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renderer_->metrics(mi, dim);
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}
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void InsetExternal::draw(PainterInfo & pi, int x, int y) const
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{
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if (!isRendererValid())
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updatePreview();
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if (renderer_->asButton())
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renderer_->setRenderState(mouse_hover_[pi.base.bv]);
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renderer_->draw(pi, x, y);
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@ -595,9 +601,22 @@ InsetExternalParams const & InsetExternal::params() const
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}
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void InsetExternal::updatePreview()
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bool InsetExternal::isPreviewed() const
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{
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setParams(params_);
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return (external::getTemplatePtr(params_) && !params_.filename.empty()
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&& params_.display
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&& lyxrc.display_graphics
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&& params_.preview_mode != PREVIEW_OFF
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&& (params_.preview_mode != PREVIEW_INSTANT
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|| RenderPreview::previewText()));
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}
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bool InsetExternal::isRendererValid() const
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{
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if (!renderer_->asButton())
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return isPreviewed();
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return !isPreviewed();
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}
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@ -609,12 +628,13 @@ void InsetExternal::setParams(InsetExternalParams const & p)
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// will use this.
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defaultTemplateName = params_.templatename();
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if (!external::getTemplatePtr(params_) || params_.filename.empty()
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|| !params_.display
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|| !lyxrc.display_graphics
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|| params_.preview_mode == PREVIEW_OFF
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|| (params_.preview_mode == PREVIEW_INSTANT
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&& !RenderPreview::previewText())) {
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updatePreview();
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}
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void InsetExternal::updatePreview() const
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{
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if (!isPreviewed()) {
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RenderButton * button_ptr = renderer_->asButton();
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if (!button_ptr) {
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renderer_.reset(new RenderButton);
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@ -108,7 +108,7 @@ public:
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///
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void setParams(InsetExternalParams const &);
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/// Update not loaded previews
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void updatePreview();
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void updatePreview() const;
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/// \returns the number of rows (\n's) of generated code.
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void latex(otexstream &, OutputParams const &) const;
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///
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@ -163,11 +163,15 @@ private:
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* and the preview should be regenerated.
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*/
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void fileChanged() const;
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/// Is this inset using (instant or graphics) preview?
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bool isPreviewed() const;
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/// Do we have the right renderer (button, graphic or monitored preview)?
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bool isRendererValid() const;
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/// The current params
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InsetExternalParams params_;
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/// The thing that actually draws the image on LyX's screen.
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unique_ptr<RenderBase> renderer_;
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mutable unique_ptr<RenderBase> renderer_;
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/// changes color of the button when mouse enters/leaves this inset
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mutable std::map<BufferView const *, bool> mouse_hover_;
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};
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