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/*
* sc_editor.h
*
* Copyright © 2014-2019 Thomas White <taw@bitwiz.org.uk>
*
* This file is part of Colloquium.
*
* Colloquium is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef GTK_SLIDE_VIEW_H
#define GTK_SLIDE_VIEW_H
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <gtk/gtk.h>
#include <glib-object.h>
#include <stylesheet.h>
#include <narrative.h>
#include <imagestore.h>
#include <slide_render_cairo.h>
#define GTK_TYPE_SLIDE_VIEW (gtk_slide_view_get_type())
#define GTK_SLIDE_VIEW(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), \
GTK_TYPE_SLIDE_VIEW, GtkSlideView))
#define GTK_IS_SLIDE_VIEW(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), \
GTK_TYPE_SLIDE_VIEW))
#define GTK_SLIDE_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((obj), \
GTK_TYPE_SLIDE_VIEW, GtkSlideViewClass))
#define GTK_IS_SLIDE_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((obj), \
GTK_TYPE_SLIDE_VIEW))
#define GTK_SLIDE_VIEW_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), \
GTK_TYPE_SLIDE_VIEW, GtkSlideViewClass))
enum drag_reason
{
DRAG_REASON_NONE,
DRAG_REASON_CREATE,
DRAG_REASON_IMPORT,
DRAG_REASON_RESIZE,
DRAG_REASON_MOVE,
DRAG_REASON_TEXTSEL
};
enum drag_corner
{
CORNER_NONE,
CORNER_TL,
CORNER_TR,
CORNER_BL,
CORNER_BR
};
enum slide_drag_status
{
SLIDE_DRAG_STATUS_NONE,
SLIDE_DRAG_STATUS_COULD_DRAG,
SLIDE_DRAG_STATUS_DRAGGING,
};
struct _gtkslideview
{
GtkDrawingArea parent_instance;
/*< private >*/
Narrative *n;
Slide *slide;
GtkIMContext *im_context;
int w; /* Surface size in pixels */
int h;
/* Redraw/scroll stuff */
double view_scale; /* The scale factor */
double h_scroll_pos;
double v_scroll_pos;
double visible_width;
double visible_height;
/* Location of the cursor */
SlideItem *cursor_frame;
struct slide_pos cpos;
double cursor_h_pos; /* Horizontal position the cursor would have,
* if the current line were long enough. */
/* Border surrounding actual slide within drawingarea */
double border_offs_x;
double border_offs_y;
double min_border;
double bgcol[3];
GdkPixbuf *bg_pixbuf;
/* Rubber band boxes and related stuff */
double start_corner_x;
double start_corner_y;
double drag_corner_x;
double drag_corner_y;
double diagonal_length;
double box_x;
double box_y;
double box_width;
double box_height;
enum drag_reason drag_reason;
enum slide_drag_status drag_status;
enum drag_corner drag_corner;
struct slide_pos sel_start; /* Where the user dragged from */
struct slide_pos sel_end;
/* Stuff to do with drag and drop import of "content" */
int drag_preview_pending;
int have_drag_data;
int drag_highlight;
double import_width;
double import_height;
int import_acceptable;
};
struct _gtkslideviewclass
{
GtkDrawingAreaClass parent_class;
};
typedef struct _gtkslideview GtkSlideView;
typedef struct _gtkslideviewclass GtkSlideViewClass;
extern GType gtk_slide_view_get_type(void);
extern GtkWidget *gtk_slide_view_new(Narrative *n, Slide *slide);
extern void gtk_slide_view_set_slide(GtkWidget *sv, Slide *slide);
extern void gtk_slide_view_delete_selected_frame(GtkSlideView *e);
#endif /* GTK_SLIDE_VIEW_H */
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