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Diffstat (limited to 'frontends/gtk/corewindow.h')
| -rw-r--r-- | frontends/gtk/corewindow.h | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/frontends/gtk/corewindow.h b/frontends/gtk/corewindow.h new file mode 100644 index 000000000..d6f3011ba --- /dev/null +++ b/frontends/gtk/corewindow.h @@ -0,0 +1,104 @@ +/* + * Copyright 2016 Vincent Sanders <vince@netsurf-browser.org> + * + * This file is part of NetSurf, http://www.netsurf-browser.org/ + * + * NetSurf 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; version 2 of the License. + * + * NetSurf 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_COREWINDOW_H +#define GTK_COREWINDOW_H + +#include "desktop/core_window.h" + +/** + * nsgtk core window mouse state + */ +struct nsgtk_corewindow_mouse { + browser_mouse_state state; /**< last event status */ + bool pressed; + int pressed_x; + int pressed_y; + int last_x; + int last_y; +}; + +/** + * nsgtk core window state + */ +struct nsgtk_corewindow { + /* public variables */ + /** GTK drawable widget */ + GtkDrawingArea *drawing_area; + /** scrollable area drawing area is within */ + GtkScrolledWindow *scrolled; + + /* private variables */ + /** Input method */ + GtkIMContext *input_method; + /** table of callbacks for core window operations */ + struct core_window_callback_table *cb_table; + /** mouse state */ + struct nsgtk_corewindow_mouse mouse_state; + /** drag status set by core */ + core_window_drag_status drag_staus; + + /** + * callback to draw on drawable area of nsgtk core window + * + * \param nsgtk_cw The nsgtk core window structure. + * \param r The rectangle of the window that needs updating. + * \return NSERROR_OK on success otherwise apropriate error code + */ + nserror (*draw)(struct nsgtk_corewindow *nsgtk_cw, struct rect *r); + + /** + * callback for keypress on nsgtk core window + * + * \param nsgtk_cw The nsgtk core window structure. + * \param nskey The netsurf key code. + * \return NSERROR_OK if key processed, + * NSERROR_NOT_IMPLEMENTED if key not processed + * otherwise apropriate error code + */ + nserror (*key)(struct nsgtk_corewindow *nsgtk_cw, uint32_t nskey); + + /** + * callback for mouse event on nsgtk core window + * + * \param nsgtk_cw The nsgtk core window structure. + * \param mouse_state mouse state + * \param x location of event + * \param y location of event + * \return NSERROR_OK on sucess otherwise apropriate error code. + */ + nserror (*mouse)(struct nsgtk_corewindow *nsgtk_cw, browser_mouse_state mouse_state, int x, int y); +}; + +/** + * initialise elements of gtk core window. + * + * \param nsgtk_cw A gtk core window structure to initialise + * \return NSERROR_OK on successful initialisation otherwise error code. + */ +nserror nsgtk_corewindow_init(struct nsgtk_corewindow *nsgtk_cw); + +/** + * finalise elements of gtk core window. + * + * \param nsgtk_cw A gtk core window structure to initialise + * \return NSERROR_OK on successful finalisation otherwise error code. + */ +nserror nsgtk_corewindow_fini(struct nsgtk_corewindow *nsgtk_cw); + +#endif |