Přemysl Eric Janouch
4f01392de5
Sadly, the line width depends on the widget's DPI, which seems to even cause uneven lines on Windows, where virtual printers claim high DPI. It might also be an unrelated problem. Similarly, selected objects are exported highlighted. Other than that, it works quite well. Add a manifest to make the print dialog look nice with the older GTK+ bundle we depend upon. The RC file could theoretically be scanned for /\s+"([^"]+)"\s*$/, unescaped, and the results configure_file()-stamped.
108 lines
3.1 KiB
C
108 lines
3.1 KiB
C
/*
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* ld-diagram-view.h
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*
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* This file is a part of logdiag.
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* Copyright 2010 - 2021 Přemysl Eric Janouch
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*
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* See the file LICENSE for licensing information.
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*
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*/
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#ifndef __LD_DIAGRAM_VIEW_H__
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#define __LD_DIAGRAM_VIEW_H__
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G_BEGIN_DECLS
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#define LD_TYPE_DIAGRAM_VIEW (ld_diagram_view_get_type ())
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#define LD_DIAGRAM_VIEW(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST ((obj), LD_TYPE_DIAGRAM_VIEW, LdDiagramView))
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#define LD_DIAGRAM_VIEW_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST ((klass), \
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LD_TYPE_DIAGRAM_VIEW, \
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LdDiagramViewClass))
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#define LD_IS_DIAGRAM_VIEW(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE ((obj), LD_TYPE_DIAGRAM_VIEW))
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#define LD_IS_DIAGRAM_VIEW_CLASS(klass) \
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(G_TYPE_CHECK_INSTANCE_TYPE ((klass), LD_TYPE_DIAGRAM_VIEW))
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#define LD_DIAGRAM_VIEW_GET_CLASS(obj) \
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(G_TYPE_INSTANCE_GET_CLASS ((obj), LD_DIAGRAM_VIEW, LdDiagramViewClass))
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typedef struct _LdDiagramView LdDiagramView;
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typedef struct _LdDiagramViewPrivate LdDiagramViewPrivate;
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typedef struct _LdDiagramViewClass LdDiagramViewClass;
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/**
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* LdDiagramView:
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*/
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struct _LdDiagramView
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{
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/*< private >*/
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GtkDrawingArea parent_instance;
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LdDiagramViewPrivate *priv;
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};
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struct _LdDiagramViewClass
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{
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/*< private >*/
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GtkDrawingAreaClass parent_class;
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guint cancel_operation_signal;
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guint move_signal;
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void (*cancel_operation) (LdDiagramView *self);
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void (*move) (LdDiagramView *self, gdouble dx, gdouble dy);
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};
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/**
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* LD_DIAGRAM_VIEW_BASE_UNIT_LENGTH:
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*
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* Length of the base unit in milimetres.
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*/
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#define LD_DIAGRAM_VIEW_BASE_UNIT_LENGTH 2.5
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GType ld_diagram_view_get_type (void) G_GNUC_CONST;
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GtkWidget *ld_diagram_view_new (void);
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void ld_diagram_view_set_diagram (LdDiagramView *self, LdDiagram *diagram);
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LdDiagram *ld_diagram_view_get_diagram (LdDiagramView *self);
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void ld_diagram_view_set_library (LdDiagramView *self, LdLibrary *library);
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LdLibrary *ld_diagram_view_get_library (LdDiagramView *self);
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void ld_diagram_view_widget_to_diagram_coords (LdDiagramView *self,
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gdouble wx, gdouble wy, gdouble *dx, gdouble *dy);
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void ld_diagram_view_diagram_to_widget_coords (LdDiagramView *self,
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gdouble dx, gdouble dy, gdouble *wx, gdouble *wy);
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gdouble ld_diagram_view_get_x (LdDiagramView *self);
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void ld_diagram_view_set_x (LdDiagramView *self, gdouble x);
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gdouble ld_diagram_view_get_y (LdDiagramView *self);
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void ld_diagram_view_set_y (LdDiagramView *self, gdouble y);
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gdouble ld_diagram_view_get_zoom (LdDiagramView *self);
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void ld_diagram_view_set_zoom (LdDiagramView *self, gdouble zoom);
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gboolean ld_diagram_view_can_zoom_in (LdDiagramView *self);
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void ld_diagram_view_zoom_in (LdDiagramView *self);
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gboolean ld_diagram_view_can_zoom_out (LdDiagramView *self);
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void ld_diagram_view_zoom_out (LdDiagramView *self);
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gboolean ld_diagram_view_get_show_grid (LdDiagramView *self);
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void ld_diagram_view_set_show_grid (LdDiagramView *self, gboolean show_grid);
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void ld_diagram_view_add_object_begin (LdDiagramView *self,
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LdDiagramObject *object);
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gdouble ld_diagram_view_get_export_bounds (LdDiagramView *self,
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LdRectangle *rect);
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void ld_diagram_view_export (LdDiagramView *self,
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cairo_t *cr, const LdRectangle *clip);
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G_END_DECLS
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#endif /* ! __LD_DIAGRAM_VIEW_H__ */
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