mirror of
https://github.com/netsurf-browser/netsurf
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148 lines
4.2 KiB
C
148 lines
4.2 KiB
C
/*
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* Copyright 2005 Richard Wilson <info@tinct.net>
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* Copyright 2011 Stephen Fryatt <stevef@netsurf-browser.org>
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*
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* This file is part of NetSurf, http://www.netsurf-browser.org/
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*
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* NetSurf is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* NetSurf is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/** \file
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* Throbber (interface).
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*/
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#ifndef _NETSURF_RISCOS_THROBBER_H_
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#define _NETSURF_RISCOS_THROBBER_H_
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#include <stdbool.h>
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#include "riscos/theme.h"
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struct throbber;
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/**
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* Create a new throbber widget.
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*
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* \param *theme The theme to apply (or NULL for the default).
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* \return A throbber handle, or NULL on failure.
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*/
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struct throbber *ro_gui_throbber_create(struct theme_descriptor *theme);
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/**
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* Place a throbber into a toolbar window and initialise any theme-specific
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* settings. Any previous incarnation of the throbber will be forgotten: this
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* is for use when a new toolbar is being created, or when a toolbar has been
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* deleted and rebuilt following a theme change.
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*
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* \param *throbber The throbber to rebuild.
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* \param *theme The theme to apply (or NULL for current).
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* \param style The theme style to apply.
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* \param window The window that the throbber is in.
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* \param shaded true if the bar should be throbber; else false.
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* \return true on success; else false.
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*/
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bool ro_gui_throbber_rebuild(struct throbber *throbber,
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struct theme_descriptor *theme, theme_style style,
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wimp_w window, bool shaded);
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/**
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* Destroy a throbber widget.
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*
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* \param *throbber The throbber to destroy.
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*/
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void ro_gui_throbber_destroy(struct throbber *throbber);
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/**
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* Return the MINIMUM dimensions required by the throbber, in RO units,
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* allowing for the current theme.
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*
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* \param *throbber The throbber of interest.
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* \param *width Return the required width.
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* \param *height Return the required height.
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* \return true if values are returned; else false.
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*/
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bool ro_gui_throbber_get_dims(struct throbber *throbber,
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int *width, int *height);
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/**
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* Set or update the dimensions to be used by the throbber in RO units
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*
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* If these are greater than the minimum required, the throbber will fill
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* the extended space; if less, the call will fail.
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*
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* \param throbber The throbber to update.
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* \param x0 top left of bounding box x coordinate
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* \param y0 top left of bounding box y coordinate
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* \param x1 bottom right of bounding box x coordinate
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* \param y1 bottom right of bounding box y coordinate
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* \return true if size updated; else false.
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*/
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bool ro_gui_throbber_set_extent(struct throbber *throbber,
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int x0, int y0, int x1, int y1);
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/**
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* Show or hide a throbber.
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*
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* \param *throbber The throbber to hide.
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* \param hide true to hide the throbber; false to show it.
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* \return true if successful; else false.
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*/
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bool ro_gui_throbber_hide(struct throbber *throbber, bool hide);
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/**
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* Translate mouse data into an interactive help message for the throbber.
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*
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* \param throbber The throbber to process.
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* \param i The wimp icon under the pointer.
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* \param screenpos The screen position.
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* \param state The toolbar window state.
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* \param buttons The mouse button state.
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* \param suffix Return a help token suffix, or "" for none.
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* \return true if handled exclusively; else false.
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*/
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bool ro_gui_throbber_help_suffix(struct throbber *throbber, wimp_i i,
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os_coord *screenpos, wimp_window_state *state,
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wimp_mouse_state buttons, const char **suffix);
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/**
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* Start or update the amimation of a throbber.
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*
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* \param *throbber The throbber to amimate.
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*/
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bool ro_gui_throbber_animate(struct throbber *throbber);
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/**
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* Stop the amimation of a throbber.
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*
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* \param *throbber The throbber to amimate.
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*/
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bool ro_gui_throbber_stop(struct throbber *throbber);
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#endif
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