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Diffstat (limited to 'libstorycode/gtk/gtkslideview.h')
| -rw-r--r-- | libstorycode/gtk/gtkslideview.h | 199 |
1 files changed, 199 insertions, 0 deletions
diff --git a/libstorycode/gtk/gtkslideview.h b/libstorycode/gtk/gtkslideview.h new file mode 100644 index 0000000..d3c111b --- /dev/null +++ b/libstorycode/gtk/gtkslideview.h @@ -0,0 +1,199 @@ +/* + * sc_editor.h + * + * Copyright © 2014-2018 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 SC_EDITOR_H +#define SC_EDITOR_H + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include <gtk/gtk.h> +#include <glib-object.h> + +#include "frame.h" +#include "sc_interp.h" +#include "stylesheet.h" + +struct presentation; + + +#define SC_TYPE_EDITOR (sc_editor_get_type()) + +#define SC_EDITOR(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), \ + SC_TYPE_EDITOR, SCEditor)) + +#define SC_IS_EDITOR(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), \ + SC_TYPE_EDITOR)) + +#define SC_EDITOR_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((obj), \ + SC_TYPE_EDITOR, SCEditorClass)) + +#define SC_IS_EDITOR_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((obj), \ + SC_TYPE_EDITOR)) + +#define SC_EDITOR_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), \ + SC_TYPE_EDITOR, SCEditorClass)) + +enum drag_reason +{ + DRAG_REASON_NONE, + DRAG_REASON_CREATE, + DRAG_REASON_IMPORT, + DRAG_REASON_RESIZE, + DRAG_REASON_MOVE, + DRAG_REASON_TEXTSEL +}; + + +enum corner +{ + CORNER_NONE, + CORNER_TL, + CORNER_TR, + CORNER_BL, + CORNER_BR +}; + + +enum drag_status +{ + DRAG_STATUS_NONE, + DRAG_STATUS_COULD_DRAG, + DRAG_STATUS_DRAGGING, +}; + + +struct _sceditor +{ + GtkDrawingArea parent_instance; + PangoLanguage *lang; + + /*< private >*/ + GtkIMContext *im_context; + int w; /* Surface size in pixels */ + int h; + double log_w; /* Size of surface in "SC units" */ + double log_h; + SCBlock *scblocks; + Stylesheet *stylesheet; + ImageStore *is; + SCCallbackList *cbl; + struct frame *top; + int para_highlight; + + /* Redraw/scroll stuff */ + GtkScrollablePolicy hpol; + GtkScrollablePolicy vpol; + GtkAdjustment *hadj; + GtkAdjustment *vadj; + double scroll_pos; + double h_scroll_pos; + int visible_height; + int visible_width; + int flow; + int scale; /* Whether the SCEditor should scale to fit */ + double view_scale; /* The scale factor, if scale=1 */ + + /* Pointers to the frame currently being edited */ + struct frame *selection; + int top_editable; + + PangoContext *pc; + + /* Location of the cursor */ + struct frame *cursor_frame; + struct edit_pos cpos; + + /* 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 drag_status drag_status; + enum corner drag_corner; + int sel_active; + struct edit_pos sel_start; /* Where the user dragged from */ + struct edit_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; + + /* Stuff that doesn't really belong here */ + int slidenum; +}; + +struct _sceditorclass +{ + GtkDrawingAreaClass parent_class; +}; + +typedef struct _sceditor SCEditor; +typedef struct _sceditorclass SCEditorClass; + +extern void sc_editor_set_scblock(SCEditor *e, SCBlock *scblocks); +extern void sc_editor_set_stylesheet(SCEditor *e, Stylesheet *stylesheet); +extern SCEditor *sc_editor_new(SCBlock *scblocks, Stylesheet *stylesheet, + PangoLanguage *lang, const char *storename); +extern void sc_editor_set_logical_size(SCEditor *e, double w, double h); +extern void sc_editor_set_flow(SCEditor *e, int flow); +extern void sc_editor_set_scale(SCEditor *e, int scale); +extern void sc_editor_redraw(SCEditor *e); +extern void sc_editor_set_background(SCEditor *e, double r, double g, double b); +extern void sc_editor_set_slidenum(SCEditor *e, int slidenum); +extern void sc_editor_set_min_border(SCEditor *e, double min_border); +extern void sc_editor_set_top_frame_editable(SCEditor *e, + int top_frame_editable); +extern void sc_editor_set_callbacks(SCEditor *e, SCCallbackList *cbl); +extern void sc_editor_paste(SCEditor *e); +extern void sc_editor_add_storycode(SCEditor *e, const char *sc); +extern void sc_editor_copy_selected_frame(SCEditor *e); +extern void sc_editor_delete_selected_frame(SCEditor *e); +extern void sc_editor_ensure_cursor(SCEditor *e); +extern SCBlock *split_paragraph_at_cursor(SCEditor *e); + +extern void sc_editor_set_imagestore(SCEditor *e, ImageStore *is); +extern void sc_editor_set_para_highlight(SCEditor *e, int para_highlight); +extern int sc_editor_get_cursor_para(SCEditor *e); +extern void *sc_editor_get_cursor_bvp(SCEditor *e); +extern void sc_editor_set_cursor_para(SCEditor *e, signed int pos); +extern int sc_editor_get_num_paras(SCEditor *e); + +#endif /* SC_EDITOR_H */ |