Personal Computer World 2007 September/PCWSEP07.iso/Software/Linux/Linux Mint 3.0 Light/LinuxMint-3.0-Light.iso/casper/filesystem.squashfs/usr/include/gnt/gntwm.h

C/C++ Source or Header | 2007-05-04 | 4.5 KB | 172 lines

#include "gntwidget.h"
#include "gntmenu.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
{
    GNT_KP_MODE_NORMAL,
    GNT_KP_MODE_RESIZE,
    GNT_KP_MODE_MOVE,
} GntKeyPressMode;

typedef struct
{
    GntWidget *me;

    WINDOW *window;
    int scroll;
    PANEL *panel;
} GntNode;

typedef struct _GnttWM 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)();
} GntAction;

struct _GnttWM
{
    GntBindable inherit;

    GMainLoop *loop;

    GList *list;      /* List of windows ordered on their creation time */
    GList *ordered;   /* List of windows ordered on their focus */

    struct {
        GntWidget *window;
        GntWidget *tree;
    } _list,
        *windows,         /* Window-list window */
        *actions;         /* Action-list window */

    GHashTable *nodes;    /* GntWidget -> GntNode */

    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.
     */
    /*const GList *(*window_list)();*/

    void (*res1)(void);
    void (*res2)(void);
    void (*res3)(void);
    void (*res4)(void);
};

G_BEGIN_DECLS

GType gnt_wm_get_gtype(void);

void gnt_wm_new_window(GntWM *wm, GntWidget *widget);

void gnt_wm_window_decorate(GntWM *wm, GntWidget *widget);

void gnt_wm_window_close(GntWM *wm, GntWidget *widget);

gboolean gnt_wm_process_input(GntWM *wm, const char *string);

gboolean gnt_wm_process_click(GntWM *wm, GntMouseEvent event, int x, int y, GntWidget *widget);

void gnt_wm_resize_window(GntWM *wm, GntWidget *widget, int width, int height);

void gnt_wm_move_window(GntWM *wm, GntWidget *widget, int x, int y);

void gnt_wm_update_window(GntWM *wm, GntWidget *widget);

void gnt_wm_raise_window(GntWM *wm, GntWidget *widget);

void gnt_wm_set_event_stack(GntWM *wm, gboolean set);

time_t gnt_wm_get_idle_time(void);

G_END_DECLS