gvevent.c File Reference

#include "config.h"
#include <string.h>
#include <stdbool.h>
#include <stdlib.h>
#include <math.h>
#include <gvc/gvplugin_layout.h>
#include <gvc/gvcint.h>
#include <gvc/gvcproc.h>
#include <common/utils.h>
#include <util/gv_fopen.h>

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Macros
#define	PANFACTOR   10
#define	ZOOMFACTOR   1.1
#define	EPSILON   .0001
#define	CLOSEENOUGH   1

Functions
void	emit_graph (GVJ_t *job, graph_t *g)
int	gvLayout (GVC_t *gvc, graph_t *g, const char *engine)
int	gvRenderFilename (GVC_t *gvc, graph_t *g, const char *format, const char *filename)
void	graph_cleanup (graph_t *g)
static void	gv_graph_state (GVJ_t *job, graph_t *g)
static void	gv_node_state (GVJ_t *job, node_t *n)
static void	gv_edge_state (GVJ_t *job, edge_t *e)
static void	gvevent_refresh (GVJ_t *job)
static graph_t *	gvevent_find_cluster (graph_t *g, boxf b)
static void *	gvevent_find_obj (graph_t *g, boxf b)
static void	gvevent_leave_obj (GVJ_t *job)
static void	gvevent_enter_obj (GVJ_t *job)
static pointf	pointer2graph (GVJ_t *job, pointf pointer)
static void	gvevent_find_current_obj (GVJ_t *job, pointf pointer)
static void	gvevent_select_current_obj (GVJ_t *job)
static void	gvevent_button_press (GVJ_t *job, int button, pointf pointer)
static void	gvevent_button_release (GVJ_t *job, int button, pointf pointer)
static void	gvevent_motion (GVJ_t *job, pointf pointer)
static int	quit_cb (GVJ_t *job)
static int	left_cb (GVJ_t *job)
static int	right_cb (GVJ_t *job)
static int	up_cb (GVJ_t *job)
static int	down_cb (GVJ_t *job)
static int	zoom_in_cb (GVJ_t *job)
static int	zoom_out_cb (GVJ_t *job)
static int	toggle_fit_cb (GVJ_t *job)
static void	gvevent_read (GVJ_t *job, const char *filename, const char *layout)
static void	gvevent_layout (GVJ_t *job, const char *layout)
static void	gvevent_render (GVJ_t *job, const char *format, const char *filename)

Variables
static char *	s_tooltip = "tooltip"
static char *	s_href = "href"
static char *	s_URL = "URL"
gvevent_key_binding_t	gvevent_key_binding []
const size_t	gvevent_key_binding_size
gvdevice_callbacks_t	gvdevice_callbacks

Macro Definition Documentation

CLOSEENOUGH

#define CLOSEENOUGH   1

Definition at line 194 of file gvevent.c.

EPSILON

#define EPSILON   .0001

Definition at line 31 of file gvevent.c.

PANFACTOR

#define PANFACTOR   10

Definition at line 29 of file gvevent.c.

ZOOMFACTOR

#define ZOOMFACTOR   1.1

Definition at line 30 of file gvevent.c.

Function Documentation

down_cb()

static int down_cb ( GVJ_t *  job )

static

Definition at line 400 of file gvevent.c.

References GVJ_s::fit_mode, GVJ_s::focus, GVJ_s::needs_refresh, PANFACTOR, pointf_s::y, and GVJ_s::zoom.

emit_graph()

void emit_graph ( GVJ_t *  job, graph_t *  g  )

extern

Definition at line 3371 of file emit.c.

References agattr(), agfstnode(), agnxtnode(), AGRAPH, GVJ_s::devscale, GVJ_s::dpi, emit_begin_graph(), emit_colors(), EMIT_COLORS, emit_end_graph(), emit_page(), firstlayer(), firstpage(), flags, GVJ_s::flags, gvrender_begin_layer(), gvrender_comment(), gvrender_end_layer(), GVRENDER_Y_GOES_DOWN, GVJ_s::height, late_string(), GVJ_s::layerNum, ND_state, nextlayer(), nextpage(), numPhysicalLayers(), POINTS_PER_INCH, GVJ_s::rotation, GVJ_s::scale, validlayer(), validpage(), GVJ_s::view, GVJ_s::width, pointf_s::x, pointf_s::y, Y_invert, and GVJ_s::zoom.

Referenced by gvevent_refresh(), and gvRenderJobs().

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graph_cleanup()

void graph_cleanup ( graph_t *  g )

extern

Definition at line 790 of file input.c.

Referenced by gvevent_read().

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gv_edge_state()

static void gv_edge_state ( GVJ_t *  job, edge_t *  e  )

static

Definition at line 55 of file gvevent.c.

References agfindedgeattr, aghead, agraphof(), agxget(), s_href, s_URL, GVJ_s::selected_href, and strdup_and_subst_obj().

Referenced by gvevent_select_current_obj().

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gv_graph_state()

static void gv_graph_state ( GVJ_t *  job, graph_t *  g  )

static

Definition at line 37 of file gvevent.c.

References agfindgraphattr, agxget(), s_href, s_URL, GVJ_s::selected_href, and strdup_and_subst_obj().

Referenced by gvevent_refresh(), and gvevent_select_current_obj().

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gv_node_state()

static void gv_node_state ( GVJ_t *  job, node_t *  n  )

static

Definition at line 46 of file gvevent.c.

References agfindnodeattr, agraphof(), agxget(), s_href, s_URL, GVJ_s::selected_href, and strdup_and_subst_obj().

Referenced by gvevent_select_current_obj().

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gvevent_button_press()

static void gvevent_button_press ( GVJ_t *  job, int  button, pointf  pointer  )

static

Definition at line 266 of file gvevent.c.

References GVJ_s::button, GVJ_s::click, GVJ_s::devscale, GVJ_s::fit_mode, GVJ_s::focus, gvevent_find_current_obj(), gvevent_select_current_obj(), GVJ_s::height, GVJ_s::needs_refresh, GVJ_s::oldpointer, GVJ_s::rotation, GVJ_s::width, pointf_s::x, pointf_s::y, GVJ_s::zoom, and ZOOMFACTOR.

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gvevent_button_release()

static void gvevent_button_release ( GVJ_t *  job, int  button, pointf  pointer  )

static

Definition at line 327 of file gvevent.c.

References GVJ_s::button, and GVJ_s::click.

gvevent_enter_obj()

static void gvevent_enter_obj ( GVJ_t *  job )

static

Definition at line 139 of file gvevent.c.

References GVJ_s::active_tooltip, AGEDGE, agfindedgeattr, agfindgraphattr, agfindnodeattr, aghead, AGNODE, agobjkind(), AGRAPH, agraphof(), agxget(), GVJ_s::current_obj, ED_gui_state, free(), GD_gui_state, GUI_STATE_ACTIVE, ND_gui_state, NULL, s_tooltip, and strdup_and_subst_obj().

Referenced by gvevent_find_current_obj().

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gvevent_find_cluster()

static graph_t * gvevent_find_cluster ( graph_t *  g, boxf  b  )

static

Definition at line 78 of file gvevent.c.

References B2BF, GD_bb, GD_clust, GD_n_cluster, gvevent_find_cluster(), NULL, and OVERLAP.

Referenced by gvevent_find_cluster(), and gvevent_find_obj().

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gvevent_find_current_obj()

static void gvevent_find_current_obj ( GVJ_t *  job, pointf  pointer  )

static

Definition at line 196 of file gvevent.c.

References CLOSEENOUGH, GVJ_s::current_obj, GVC_s::g, GVJ_s::gvc, gvevent_enter_obj(), gvevent_find_obj(), gvevent_leave_obj(), boxf::LL, GVJ_s::needs_refresh, pointer2graph(), boxf::UR, pointf_s::x, pointf_s::y, and GVJ_s::zoom.

Referenced by gvevent_button_press(), and gvevent_motion().

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gvevent_find_obj()

static void * gvevent_find_obj ( graph_t *  g, boxf  b  )

static

Definition at line 95 of file gvevent.c.

References agfstnode(), agfstout(), aglstnode(), agnxtnode(), agnxtout(), agprvnode(), gvevent_find_cluster(), overlap_edge(), and overlap_node().

Referenced by gvevent_find_current_obj().

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gvevent_layout()

static void gvevent_layout ( GVJ_t *  job, const char *  layout  )

static

Definition at line 489 of file gvevent.c.

References GVC_s::g, GVJ_s::gvc, gvLayout(), and layout().

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gvevent_leave_obj()

static void gvevent_leave_obj ( GVJ_t *  job )

static

Definition at line 119 of file gvevent.c.

References GVJ_s::active_tooltip, AGEDGE, AGNODE, agobjkind(), AGRAPH, GVJ_s::current_obj, ED_gui_state, GD_gui_state, GUI_STATE_ACTIVE, ND_gui_state, and NULL.

Referenced by gvevent_find_current_obj().

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gvevent_motion()

static void gvevent_motion ( GVJ_t *  job, pointf  pointer  )

static

Definition at line 336 of file gvevent.c.

References GVJ_s::button, GVJ_s::devscale, dx, dy, EPSILON, GVJ_s::focus, gvevent_find_current_obj(), GVJ_s::needs_refresh, GVJ_s::oldpointer, GVJ_s::rotation, pointf_s::x, pointf_s::y, and GVJ_s::zoom.

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gvevent_read()

static void gvevent_read ( GVJ_t *  job, const char *  filename, const char *  layout  )

static

Definition at line 447 of file gvevent.c.

References agclose(), AGEDGE, aginit(), AGNODE, AGRAPH, agread(), gvlayout_engine_s::cleanup, GVJ_s::current_obj, gvplugin_active_layout_s::engine, GVC_s::g, GD_gvc, graph_cleanup(), gv_fopen(), GVJ_s::gvc, gvc, gvLayout(), layout(), GVC_s::layout, GVJ_s::needs_refresh, NULL, and GVJ_s::selected_obj.

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gvevent_refresh()

static void gvevent_refresh ( GVJ_t *  job )

static

Definition at line 64 of file gvevent.c.

References emit_graph(), GVC_s::g, GD_gui_state, GUI_STATE_SELECTED, gv_graph_state(), GVJ_s::gvc, GVJ_s::has_been_rendered, and GVJ_s::selected_obj.

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gvevent_render()

static void gvevent_render ( GVJ_t *  job, const char *  format, const char *  filename  )

static

Definition at line 494 of file gvevent.c.

References GVC_s::active_jobs, format, GVC_s::g, GVJ_s::gvc, gvRenderFilename(), GVC_s::job, GVC_s::jobs, and NULL.

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gvevent_select_current_obj()

static void gvevent_select_current_obj ( GVJ_t *  job )

static

Definition at line 222 of file gvevent.c.

References AGEDGE, AGNODE, agobjkind(), AGRAPH, GVJ_s::current_obj, ED_gui_state, free(), GD_gui_state, GUI_STATE_SELECTED, GUI_STATE_VISITED, gv_edge_state(), gv_graph_state(), gv_node_state(), ND_gui_state, NULL, GVJ_s::selected_href, and GVJ_s::selected_obj.

Referenced by gvevent_button_press().

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left_cb()

static int left_cb ( GVJ_t *  job )

static

Definition at line 376 of file gvevent.c.

References GVJ_s::fit_mode, GVJ_s::focus, GVJ_s::needs_refresh, PANFACTOR, pointf_s::x, and GVJ_s::zoom.

pointer2graph()

static pointf pointer2graph ( GVJ_t *  job, pointf  pointer  )

static

Definition at line 177 of file gvevent.c.

References GVJ_s::devscale, GVJ_s::rotation, GVJ_s::translation, pointf_s::x, pointf_s::y, and GVJ_s::zoom.

Referenced by gvevent_find_current_obj().

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quit_cb()

static int quit_cb ( GVJ_t *  job )

static

Definition at line 369 of file gvevent.c.

right_cb()

static int right_cb ( GVJ_t *  job )

static

Definition at line 384 of file gvevent.c.

References GVJ_s::fit_mode, GVJ_s::focus, GVJ_s::needs_refresh, PANFACTOR, pointf_s::x, and GVJ_s::zoom.

toggle_fit_cb()

static int toggle_fit_cb ( GVJ_t *  job )

static

Definition at line 424 of file gvevent.c.

References GVJ_s::fit_mode, GVJ_s::focus, GVJ_s::height, MIN, GVJ_s::needs_refresh, GVJ_s::width, pointf_s::x, pointf_s::y, and GVJ_s::zoom.

up_cb()

static int up_cb ( GVJ_t *  job )

static

Definition at line 392 of file gvevent.c.

References GVJ_s::fit_mode, GVJ_s::focus, GVJ_s::needs_refresh, PANFACTOR, pointf_s::y, and GVJ_s::zoom.

zoom_in_cb()

static int zoom_in_cb ( GVJ_t *  job )

static

Definition at line 408 of file gvevent.c.

References GVJ_s::fit_mode, GVJ_s::needs_refresh, GVJ_s::zoom, and ZOOMFACTOR.

zoom_out_cb()

static int zoom_out_cb ( GVJ_t *  job )

static

Definition at line 416 of file gvevent.c.

References GVJ_s::fit_mode, GVJ_s::needs_refresh, GVJ_s::zoom, and ZOOMFACTOR.

Variable Documentation

gvdevice_callbacks

gvdevice_callbacks_t gvdevice_callbacks

Initial value:

= {
    gvevent_refresh,
    gvevent_button_press,
    gvevent_button_release,
    gvevent_motion,
    NULL, 
    NULL, 
    gvevent_read,
    gvevent_layout,
    gvevent_render,
}

Definition at line 541 of file gvevent.c.

Referenced by gvRenderJobs().

gvevent_key_binding

gvevent_key_binding_t gvevent_key_binding[]

Initial value:

= {
    {"Q", quit_cb},
    {"Left", left_cb},
    {"KP_Left", left_cb},
    {"Right", right_cb},
    {"KP_Right", right_cb},
    {"Up", up_cb},
    {"KP_Up", up_cb},
    {"Down", down_cb},
    {"KP_Down", down_cb},
    {"plus", zoom_in_cb},
    {"KP_Add", zoom_in_cb},
    {"minus", zoom_out_cb},
    {"KP_Subtract", zoom_out_cb},
    {"F", toggle_fit_cb},
}

Definition at line 521 of file gvevent.c.

Referenced by gvRenderJobs().

gvevent_key_binding_size

const size_t gvevent_key_binding_size

Initial value:

=
  sizeof(gvevent_key_binding) / sizeof(gvevent_key_binding[0])

Definition at line 538 of file gvevent.c.

Referenced by gvRenderJobs().

s_href

char* s_href = "href"

static

Definition at line 34 of file gvevent.c.

Referenced by gv_edge_state(), gv_graph_state(), and gv_node_state().

s_tooltip

char* s_tooltip = "tooltip"

static

Definition at line 33 of file gvevent.c.

Referenced by gvevent_enter_obj().

s_URL

char* s_URL = "URL"

static

Definition at line 35 of file gvevent.c.

Referenced by gv_edge_state(), gv_graph_state(), and gv_node_state().