qulogic/libgnt

Simplify some confusing code
release-2.x.y v2.10.8 v2.10.9
2013-02-26, Daniel Atallah
fabc15bbea63
Simplify some confusing code
/**
* @file gntwm.h Window-manager API
* @ingroup gnt
*/
/*
* GNT - The GLib Ncurses Toolkit
*
* GNT is the legal property of its developers, whose names are too numerous
* to list here. Please refer to the COPYRIGHT file distributed with this
* source distribution.
*
* This library 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 2 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA
*/
#ifndef GNTWM_H
#define GNTWM_H
#include "gntwidget.h"
#include "gntmenu.h"
#include "gntws.h"
#include <panel.h>
#include <time.h>
#define GNT_TYPE_WM (gnt_wm_get_gtype())
#define GNT_WM(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), GNT_TYPE_WM, GntWM))
#define GNT_WM_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), GNT_TYPE_WM, GntWMClass))
#define GNT_IS_WM(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), GNT_TYPE_WM))
#define GNT_IS_WM_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), GNT_TYPE_WM))
#define GNT_WM_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), GNT_TYPE_WM, GntWMClass))
typedef enum _GntKeyPressMode
{
GNT_KP_MODE_NORMAL,
GNT_KP_MODE_RESIZE,
GNT_KP_MODE_MOVE,
GNT_KP_MODE_WAIT_ON_CHILD
} GntKeyPressMode;
typedef struct _GntNode
{
GntWidget *me;
WINDOW *window;
int scroll;
PANEL *panel;
GntWS *ws;
} GntNode;
typedef struct _GntWM GntWM;
typedef struct _GntPosition
{
int x;
int y;
} GntPosition;
/**
* An application can register actions which will show up in a 'start-menu' like popup
*/
typedef struct _GntAction
{
const char *label;
void (*callback)(void);
} GntAction;
struct _GntWM
{
GntBindable inherit;
GMainLoop *loop;
GList *workspaces;
GList *tagged; /* tagged windows */
GntWS *cws;
struct {
GntWidget *window;
GntWidget *tree;
} _list,
*windows, /* Window-list window */
*actions; /* Action-list window */
GHashTable *nodes; /* GntWidget -> GntNode */
GHashTable *name_places; /* window name -> ws*/
GHashTable *title_places; /* window title -> ws */
GList *acts; /* List of actions */
/**
* There can be at most one menu at a time on the screen.
* If there is a menu being displayed, then all the keystrokes will be sent to
* the menu until it is closed, either when the user activates a menuitem, or
* presses Escape to cancel the menu.
*/
GntMenu *menu; /* Currently active menu */
/**
* 'event_stack' will be set to TRUE when a user-event, ie. a mouse-click
* or a key-press is being processed. This variable will be used to determine
* whether to give focus to a new window.
*/
gboolean event_stack;
GntKeyPressMode mode;
GHashTable *positions;
void *res1;
void *res2;
void *res3;
void *res4;
};
typedef struct _GntWMClass GntWMClass;
struct _GntWMClass
{
GntBindableClass parent;
/* This is called when a new window is shown */
void (*new_window)(GntWM *wm, GntWidget *win);
void (*decorate_window)(GntWM *wm, GntWidget *win);
/* This is called when a window is being closed */
gboolean (*close_window)(GntWM *wm, GntWidget *win);
/* The WM may want to confirm a size for a window first */
gboolean (*window_resize_confirm)(GntWM *wm, GntWidget *win, int *w, int *h);
void (*window_resized)(GntWM *wm, GntNode *node);
/* The WM may want to confirm the position of a window */
gboolean (*window_move_confirm)(GntWM *wm, GntWidget *win, int *x, int *y);
void (*window_moved)(GntWM *wm, GntNode *node);
/* This gets called when:
* - the title of the window changes
* - the 'urgency' of the window changes
*/
void (*window_update)(GntWM *wm, GntNode *node);
/* This should usually return NULL if the keys were processed by the WM.
* If not, the WM can simply return the original string, which will be
* processed by the default WM. The custom WM can also return a different
* static string for the default WM to process.
*/
gboolean (*key_pressed)(GntWM *wm, const char *key);
gboolean (*mouse_clicked)(GntWM *wm, GntMouseEvent event, int x, int y, GntWidget *widget);
/* Whatever the WM wants to do when a window is given focus */
void (*give_focus)(GntWM *wm, GntWidget *widget);
/* List of windows. Although the WM can keep a list of its own for the windows,
* it'd be better if there was a way to share between the 'core' and the WM.
*/
/*GList *(*window_list)();*/
/* This is invoked whenever the terminal window is resized, or the
* screen session is attached to a new terminal. (ie, from the
* SIGWINCH callback)
*/
void (*terminal_refresh)(GntWM *wm);
void (*res1)(void);
void (*res2)(void);
void (*res3)(void);
};
G_BEGIN_DECLS
/**
* @return GType for GntWM.
*/
GType gnt_wm_get_gtype(void);
/**
* Add a workspace.
* @param wm The window-manager.
* @param ws The workspace to add.
*/
void gnt_wm_add_workspace(GntWM *wm, GntWS *ws);
/**
* Switch to a workspace.
* @param wm The window-manager.
* @param n Index of the workspace to switch to.
*
* @return @c TRUE if the switch was successful.
*/
gboolean gnt_wm_switch_workspace(GntWM *wm, gint n);
/**
* Switch to the previous workspace from the current one.
* @param wm The window-manager.
*/
gboolean gnt_wm_switch_workspace_prev(GntWM *wm);
/**
* Switch to the next workspace from the current one.
* @param wm The window-manager.
*/
gboolean gnt_wm_switch_workspace_next(GntWM *wm);
/**
* Move a window to a specific workspace.
* @param wm The window manager.
* @param neww The new workspace.
* @param widget The widget to move.
*/
void gnt_wm_widget_move_workspace(GntWM *wm, GntWS *neww, GntWidget *widget);
/**
* Set the list of workspaces .
* @param wm The window manager.
* @param workspaces The list of workspaces.
*/
void gnt_wm_set_workspaces(GntWM *wm, GList *workspaces);
/**
* Find the workspace that contains a specific widget.
* @param wm The window-manager.
* @param widget The widget to find.
* @return The workspace that has the widget.
*/
GntWS *gnt_wm_widget_find_workspace(GntWM *wm, GntWidget *widget);
/**
* Process a new window.
*
* @param wm The window-manager.
* @param widget The new window.
*/
void gnt_wm_new_window(GntWM *wm, GntWidget *widget);
/**
* Decorate a window.
* @param wm The window-manager.
* @param widget The widget to decorate.
*/
void gnt_wm_window_decorate(GntWM *wm, GntWidget *widget);
/**
* Close a window.
* @param wm The window-manager.
* @param widget The window to close.
*/
void gnt_wm_window_close(GntWM *wm, GntWidget *widget);
/**
* Process input.
*
* @param wm The window-manager.
* @param string The input string to process.
*
* @return @c TRUE of the string was processed, @c FALSE otherwise.
*/
gboolean gnt_wm_process_input(GntWM *wm, const char *string);
/**
* Process a click event.
* @param wm The window manager.
* @param event The mouse event.
* @param x The x-coordinate of the mouse.
* @param y The y-coordinate of the mouse.
* @param widget The widget under the mouse.
*
* @return @c TRUE if the event was handled, @c FALSE otherwise.
*/
gboolean gnt_wm_process_click(GntWM *wm, GntMouseEvent event, int x, int y, GntWidget *widget);
/**
* Resize a window.
* @param wm The window manager.
* @param widget The window to resize.
* @param width The desired width of the window.
* @param height The desired height of the window.
*/
void gnt_wm_resize_window(GntWM *wm, GntWidget *widget, int width, int height);
/**
* Move a window.
* @param wm The window manager.
* @param widget The window to move.
* @param x The desired x-coordinate of the window.
* @param y The desired y-coordinate of the window.
*/
void gnt_wm_move_window(GntWM *wm, GntWidget *widget, int x, int y);
/**
* Update a window.
* @param wm The window-manager.
* @param widget The window to update.
*/
void gnt_wm_update_window(GntWM *wm, GntWidget *widget);
/**
* Raise a window.
* @param wm The window-manager.
* @param widget The window to raise.
*/
void gnt_wm_raise_window(GntWM *wm, GntWidget *widget);
/**
* @internal
*/
void gnt_wm_set_event_stack(GntWM *wm, gboolean set);
/**
* @internal
*/
void gnt_wm_copy_win(GntWidget *widget, GntNode *node);
/**
* @return The idle time of the user.
*/
time_t gnt_wm_get_idle_time(void);
G_END_DECLS
#endif