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GtkStatsStripChart Class Reference

A special widget that draws a strip chart, given a view. More...

#include <gtkStatsStripChart.h>

Inheritance diagram for GtkStatsStripChart:


Public Types
enum	GuideBarUnits { GBU_hz = 0x0001, GBU_ms = 0x0002, GBU_named = 0x0004, GBU_show_units = 0x0008 }
Public Member Functions
	GtkStatsStripChart (GtkStatsMonitor *monitor, PStatView &view, int collector_index, int xsize, int ysize)
void	mark_dead ()
	Called when the client's connection has been lost, this should update the window in some obvious way to indicate that the window is no longer live.
Gtk::Alignment *	get_labels ()
	Returns an alignment widget that contains all of the labels appropriate to this chart, already formatted and stacked up bottom-to-top.
GtkStatsGuide *	get_guide ()
	Returns a widget that contains the numeric labels for the guide bars.
Gdk_GC	get_collector_gc (int collector_index)
	Returns a graphics context suitable for drawing in the indicated collector's color.
void	new_data (int frame_number)
	Indicates that new data has become available.
void	update ()
	Updates the chart with the latest data.
bool	first_data () const
	Returns true if the chart has seen its first data appear on it, false if it is still a virgin chart.
PStatView &	get_view () const
	Returns the View this chart represents.
int	get_collector_index () const
	Returns the particular collector whose data this strip chart reflects.
void	set_horizontal_scale (float time_width)
	Changes the amount of time the width of the horizontal axis represents.
float	get_horizontal_scale () const
	Returns the amount of total time the width of the horizontal axis represents.
void	set_vertical_scale (float value_height)
	Changes the value the height of the vertical axis represents.
void	set_default_vertical_scale ()
	Sets the vertical scale according to the suggested scale of the base collector, if any, or to center the target frame rate bar otherwise.
void	set_auto_vertical_scale ()
	Sets the vertical scale to make all the data visible.
float	get_vertical_scale () const
	Returns total value the height of the vertical axis represents.
void	set_scroll_mode (bool scroll_mode)
	Changes the scroll_mode flag.
bool	get_scroll_mode () const
	Returns the current state of the scroll_mode flag.
int	get_collector_under_pixel (int xpoint, int ypoint)
	Return the collector index associated with the particular band of color at the indicated pixel location, or -1 if no band of color was at the pixel.
int	timestamp_to_pixel (float time) const
	Converts a timestamp to a horizontal pixel offset.
float	pixel_to_timestamp (int x) const
	Converts a horizontal pixel offset to a timestamp.
int	height_to_pixel (float value) const
	Converts a value (i.e.
float	pixel_to_height (int y) const
	Converts a vertical pixel offset to a value (a "height" in the strip chart).
PStatMonitor *	get_monitor () const
	Returns the monitor associated with this chart.
int	get_num_labels () const
	Returns the number of labels to be drawn for this chart.
int	get_label_collector (int n) const
	Returns the collector index associated with the nth label.
string	get_label_name (int n) const
	Returns the text associated with the nth label.
RGBColorf	get_label_color (int n) const
	Returns the color associated with the nth label.
void	set_target_frame_rate (float frame_rate)
	Sets the target frame rate of the application in Hz.
float	get_target_frame_rate () const
	Returns the indicated target frame rate in Hz.
int	get_xsize () const
	Returns the width of the chart in pixels.
int	get_ysize () const
	Returns the height of the chart in pixels.
int	get_num_guide_bars () const
	Returns the number of horizontal guide bars that should be drawn, based on the indicated target frame rate.
const GuideBar &	get_guide_bar (int n) const
	Returns the nth horizontal guide bar.
void	set_guide_bar_units (int unit_mask)
	Sets the units that are displayed for the guide bar labels.
int	get_guide_bar_units () const
	Returns the units that are displayed for the guide bar labels.
void	set_guide_bar_unit_name (const string &unit_name)
	Sets the name of the units to be used for the guide bars if the units type is set to GBU_named \| GBU_show_units.
const string &	get_guide_bar_unit_name () const
	Returns the name of the units to be used for the guide bars if the units type is set to GBU_named \| GBU_show_units.
Static Public Member Functions
string	format_number (float value)
	Returns a string representing the value nicely formatted for its range.
string	format_number (float value, int guide_bar_units, const string &unit_name=string())
	Returns a string representing the value nicely formatted for its range, including the units as indicated.
Public Attributes
SigC::Signal1< void, int >	collector_picked
Protected Types
typedef pvector< ColorData >	FrameData
typedef pmap< int, FrameData >	Data
typedef vector_int	Labels
typedef pvector< GuideBar >	GuideBars
Protected Member Functions
const FrameData &	get_frame_data (int frame_number)
	Returns the cached FrameData associated with the given frame number.
void	changed_size (int xsize, int ysize)
	To be called by the user class when the widget size has changed.
void	force_redraw ()
	To be called by the user class when the whole thing needs to be redrawn for some reason.
void	force_reset ()
	To be called by the user class to cause the chart to reset to empty and start filling again.
void	update_labels ()
	Resets the list of labels.
virtual void	normal_guide_bars ()
	Calls update_guide_bars with parameters suitable to this kind of graph.
virtual void	begin_draw (int from_x, int to_x)
	Should be overridden by the user class.
void	update_guide_bars (int num_bars, float scale)
	Resets the list of guide bars.
GuideBar	make_guide_bar (float value) const
	Makes a guide bar for the indicated elapsed time or level units.
Protected Attributes
bool	_labels_changed
bool	_guide_bars_changed
PointerTo< PStatMonitor >	_monitor
float	_target_frame_rate
int	_xsize
int	_ysize
Labels	_labels
GuideBars	_guide_bars
int	_guide_bar_units
string	_unit_name
Private Types
typedef pmap< int, Gdk_GC >	GCs
Private Member Functions
virtual void	clear_region ()
	Erases the chart area.
virtual void	copy_region (int start_x, int end_x, int dest_x)
	Should be overridden by the user class to copy a region of the chart from one part of the chart to another.
virtual void	draw_slice (int x, int frame_number)
	Draws a single vertical slice of the strip chart, at the given pixel position, and corresponding to the indicated level data.
virtual void	draw_empty (int x)
	Draws a single vertical slice of background color.
virtual void	draw_cursor (int x)
	Draws a single vertical slice of foreground color.
virtual void	end_draw (int from_x, int to_x)
	Should be overridden by the user class.
virtual void	idle ()
	Called at the end of the draw cycle.
virtual gint	configure_event_impl (GdkEventConfigure *event)
	Creates a new backing pixmap of the appropriate size.
virtual gint	expose_event_impl (GdkEventExpose *event)
	Redraw the screen from the backing pixmap.
virtual gint	button_press_event_impl (GdkEventButton *button)
void	pack_labels ()
void	setup_white_gc ()
	Sets the color on _white_gc to be either actually white (if the chart is still alive) or a light gray (if the chart is dead).
Private Attributes
Gdk_Pixmap	_pixmap
Gdk_GC	_white_gc
Gdk_GC	_black_gc
Gdk_GC	_dark_gc
Gdk_GC	_light_gc
GCs	_gcs
Gtk::Alignment *	_label_align
Gtk::VBox *	_label_box
GtkStatsGuide *	_guide
bool	_is_dead

Detailed Description

A special widget that draws a strip chart, given a view.

Definition at line 47 of file gtkStatsStripChart.h.

Member Typedef Documentation

typedef pmap<int, FrameData> PStatStripChart::Data [protected, inherited]

Definition at line 95 of file pStatStripChart.h.

typedef pvector<ColorData> PStatStripChart::FrameData [protected, inherited]

Definition at line 94 of file pStatStripChart.h.

typedef pmap<int, Gdk_GC> GtkStatsStripChart::GCs [private]

Definition at line 93 of file gtkStatsStripChart.h.

typedef pvector<GuideBar> PStatGraph::GuideBars [protected, inherited]

Definition at line 115 of file pStatGraph.h.

typedef vector_int PStatGraph::Labels [protected, inherited]

Definition at line 112 of file pStatGraph.h.

Member Enumeration Documentation

enum PStatGraph::GuideBarUnits [inherited]

Enumeration values:

GBU_hz

GBU_ms

GBU_named

GBU_show_units

Definition at line 76 of file pStatGraph.h.

Constructor & Destructor Documentation

GtkStatsStripChart::GtkStatsStripChart ( GtkStatsMonitor * monitor,

PStatView & view,

int collector_index,

int xsize,

int ysize

)

Definition at line 42 of file gtkStatsStripChart.cxx.
References NULL.

Member Function Documentation

void PStatStripChart::begin_draw ( int from_x,

int to_x

) [protected, virtual, inherited]

Should be overridden by the user class.
This hook will be called before drawing any color bars in the strip chart; it gives the pixel range that's about to be redrawn.
Definition at line 440 of file pStatStripChart.cxx.
References SortCollectorLabels2::_client_data, PStatCollectorDef::_sort, PStatClientData::get_collector_def(), SortCollectorLabels2::operator()(), and SortCollectorLabels2::SortCollectorLabels2().

gint GtkStatsStripChart::button_press_event_impl ( GdkEventButton * button ) [private, virtual]

Definition at line 413 of file gtkStatsStripChart.cxx.
References _white_gc.

void PStatStripChart::changed_size ( int xsize,

int ysize

) [protected, inherited]

To be called by the user class when the widget size has changed.
This updates the chart's internal data and causes it to issue redraw commands to reflect the new size.
Definition at line 335 of file pStatStripChart.cxx.
References PStatStripChart::_first_data, and PStatStripChart::clear_region().

void GtkStatsStripChart::clear_region ( ) [private, virtual]

Erases the chart area.

Reimplemented from PStatStripChart.
Definition at line 166 of file gtkStatsStripChart.cxx.

gint GtkStatsStripChart::configure_event_impl ( GdkEventConfigure * event ) [private, virtual]

Creates a new backing pixmap of the appropriate size.

Definition at line 349 of file gtkStatsStripChart.cxx.
References collector_picked, and PStatStripChart::get_collector_under_pixel().

void GtkStatsStripChart::copy_region ( int start_x,

int end_x,

int dest_x

) [private, virtual]

Should be overridden by the user class to copy a region of the chart from one part of the chart to another.
This is used to implement scrolling.
Reimplemented from PStatStripChart.
Definition at line 184 of file gtkStatsStripChart.cxx.
References _pixmap, _white_gc, get_collector_gc(), PStatStripChart::get_frame_data(), PStatStripChart::get_vertical_scale(), PStatGraph::get_ysize(), PStatStripChart::height_to_pixel(), x, and y.

void GtkStatsStripChart::draw_cursor ( int x ) [private, virtual]

Draws a single vertical slice of foreground color.

Reimplemented from PStatStripChart.
Definition at line 272 of file gtkStatsStripChart.cxx.
References _guide, PStatGraph::_guide_bars_changed, and pack_labels().

void GtkStatsStripChart::draw_empty ( int x ) [private, virtual]

Draws a single vertical slice of background color.

Reimplemented from PStatStripChart.
Definition at line 259 of file gtkStatsStripChart.cxx.

void GtkStatsStripChart::draw_slice ( int x,

int frame_number

) [private, virtual]

Draws a single vertical slice of the strip chart, at the given pixel position, and corresponding to the indicated level data.

Reimplemented from PStatStripChart.
Definition at line 222 of file gtkStatsStripChart.cxx.
References _black_gc, _pixmap, PStatGraph::get_ysize(), and x.

void GtkStatsStripChart::end_draw ( int from_x,

int to_x

) [private, virtual]

Should be overridden by the user class.
This hook will be called after drawing a series of color bars in the strip chart; it gives the pixel range that was just redrawn.
Reimplemented from PStatStripChart.
Definition at line 291 of file gtkStatsStripChart.cxx.
References _black_gc, _dark_gc, _light_gc, _pixmap, _white_gc, PStatGraph::get_xsize(), PStatGraph::get_ysize(), height, NULL, setup_white_gc(), and width.
Referenced by get_collector_gc().

gint GtkStatsStripChart::expose_event_impl ( GdkEventExpose * event ) [private, virtual]

Redraw the screen from the backing pixmap.

Definition at line 396 of file gtkStatsStripChart.cxx.
References _white_gc.

bool PStatStripChart::first_data ( ) const [inherited]

Returns true if the chart has seen its first data appear on it, false if it is still a virgin chart.

Definition at line 155 of file pStatStripChart.cxx.
References PStatCollectorDef::_suggested_scale, and PStatStripChart::set_vertical_scale().

void PStatStripChart::force_redraw ( ) [protected, inherited]

To be called by the user class when the whole thing needs to be redrawn for some reason.

Definition at line 372 of file pStatStripChart.cxx.

void PStatStripChart::force_reset ( ) [protected, inherited]

To be called by the user class to cause the chart to reset to empty and start filling again.

Definition at line 389 of file pStatStripChart.cxx.
Referenced by PStatStripChart::get_collector_index().

string PStatGraph::format_number ( float value,

int guide_bar_units,

const string & unit_name = string()

) [static, inherited]

Returns a string representing the value nicely formatted for its range, including the units as indicated.

Definition at line 182 of file pStatGraph.cxx.

string PStatGraph::format_number ( float value ) [static, inherited]

Returns a string representing the value nicely formatted for its range.

Definition at line 151 of file pStatGraph.cxx.
References PStatGraph::GBU_show_units.
Referenced by PStatGraph::update_guide_bars().

Gdk_GC GtkStatsStripChart::get_collector_gc ( int collector_index )

Returns a graphics context suitable for drawing in the indicated collector's color.

Definition at line 134 of file gtkStatsStripChart.cxx.
References _pixmap, _white_gc, end_draw(), PStatGraph::get_xsize(), and PStatGraph::get_ysize().
Referenced by copy_region().

int PStatStripChart::get_collector_index ( ) const [inline, inherited]

Returns the particular collector whose data this strip chart reflects.

Definition at line 47 of file pStatStripChart.I.
References PStatStripChart::_start_time, PStatStripChart::_time_width, PStatStripChart::force_reset(), and INLINE.

int PStatStripChart::get_collector_under_pixel ( int xpoint,

int ypoint

) [inherited]

Return the collector index associated with the particular band of color at the indicated pixel location, or -1 if no band of color was at the pixel.

Definition at line 241 of file pStatStripChart.cxx.
References PStatStripChart::ColorData::_collector_index, PStatStripChart::_collector_index, PStatStripChart::_data, PStatStripChart::ColorData::_net_value, PStatStripChart::_view, PStatViewLevel::get_child(), PStatViewLevel::get_collector(), PStatThreadData::get_frame(), PStatView::get_level(), PStatViewLevel::get_net_value(), PStatViewLevel::get_num_children(), PStatView::get_thread_data(), PStatViewLevel::get_value_alone(), and PStatView::set_to_frame().
Referenced by configure_event_impl().

const PStatStripChart::FrameData & PStatStripChart::get_frame_data ( int frame_number ) [protected, inherited]

Returns the cached FrameData associated with the given frame number.
This describes the lengths of the color bands for a single vertical stripe in the chart.
Definition at line 284 of file pStatStripChart.cxx.
References PStatStripChart::_cursor_pixel, PStatStripChart::_first_data, PStatStripChart::_start_time, PStatStripChart::_time_width, PStatGraph::_xsize, PStatGraph::_ysize, and PStatStripChart::draw_pixels().
Referenced by copy_region(), and PStatStripChart::set_default_vertical_scale().

GtkStatsGuide * GtkStatsStripChart::get_guide ( )

Returns a widget that contains the numeric labels for the guide bars.
The window should pack this widget suitably near the strip chart.
Definition at line 118 of file gtkStatsStripChart.cxx.
References _gcs.

const PStatGraph::GuideBar & PStatGraph::get_guide_bar ( int n ) const [inherited]

Returns the nth horizontal guide bar.
This should be drawn as a horizontal line across the chart at the y pixel location determined by height_to_pixel(bar._height).
It is possible that this bar will be off the top of the chart.
Definition at line 131 of file pStatGraph.cxx.

const string & PStatGraph::get_guide_bar_unit_name ( ) const [inline, inherited]

Returns the name of the units to be used for the guide bars if the units type is set to GBU_named | GBU_show_units.

Definition at line 223 of file pStatGraph.I.

int PStatGraph::get_guide_bar_units ( ) const [inline, inherited]

Returns the units that are displayed for the guide bar labels.
This may be a union of one or more members of the GuideBarUnits enum.
Definition at line 189 of file pStatGraph.I.

float PStatStripChart::get_horizontal_scale ( ) const [inline, inherited]

Returns the amount of total time the width of the horizontal axis represents.

Definition at line 84 of file pStatStripChart.I.
References PStatStripChart::_value_height, and INLINE.

int PStatGraph::get_label_collector ( int n ) const [inline, inherited]

Returns the collector index associated with the nth label.

Definition at line 62 of file pStatGraph.I.
Referenced by GtkStatsPianoRoll::begin_draw().

RGBColorf PStatGraph::get_label_color ( int n ) const [inline, inherited]

Returns the color associated with the nth label.

Definition at line 90 of file pStatGraph.I.
References PStatGraph::_target_frame_rate, and INLINE.

string PStatGraph::get_label_name ( int n ) const [inline, inherited]

Returns the text associated with the nth label.

Definition at line 76 of file pStatGraph.I.
References PStatGraph::_target_frame_rate, INLINE, and PStatGraph::normal_guide_bars().

Gtk::Alignment * GtkStatsStripChart::get_labels ( )

Returns an alignment widget that contains all of the labels appropriate to this chart, already formatted and stacked up bottom-to-top.
The window should pack this widget suitably near the strip chart.
Definition at line 101 of file gtkStatsStripChart.cxx.
References _gcs, PStatMonitor::get_collector_color(), PStatGraph::get_monitor(), and RGBColorf.

PStatMonitor * PStatGraph::get_monitor ( ) const [inline, inherited]

Returns the monitor associated with this chart.

Definition at line 32 of file pStatGraph.I.
References PStatGraph::_labels, and INLINE.
Referenced by get_labels(), and PStatStripChart::new_data().

int PStatGraph::get_num_guide_bars ( ) const [inherited]

Returns the number of horizontal guide bars that should be drawn, based on the indicated target frame rate.
Not all of these may be visible; some may be off the top of the chart because of the vertical scale.
Definition at line 108 of file pStatGraph.cxx.
References PStatGraph::_guide_bars.

int PStatGraph::get_num_labels ( ) const [inline, inherited]

Returns the number of labels to be drawn for this chart.

Definition at line 47 of file pStatGraph.I.
References PStatGraph::_labels, INLINE, and nassertr.

bool PStatStripChart::get_scroll_mode ( ) const [inline, inherited]

Returns the current state of the scroll_mode flag.
When true, the strip chart will update itself by scrolling to the left; when false, the strip chart will wrap around at the right and restart at the left end without scrolling.
Definition at line 161 of file pStatStripChart.I.
References PStatStripChart::_value_height, PStatGraph::get_ysize(), INLINE, and x.

float PStatGraph::get_target_frame_rate ( ) const [inline, inherited]

Returns the indicated target frame rate in Hz.
See set_target_frame_rate().
Definition at line 126 of file pStatGraph.I.
References PStatGraph::_guide_bar_units, INLINE, and PStatGraph::normal_guide_bars().

float PStatStripChart::get_vertical_scale ( ) const [inline, inherited]

Returns total value the height of the vertical axis represents.

Definition at line 118 of file pStatStripChart.I.
References PStatStripChart::_scroll_mode, and INLINE.
Referenced by copy_region().

PStatView & PStatStripChart::get_view ( ) const [inline, inherited]

Returns the View this chart represents.

Definition at line 32 of file pStatStripChart.I.
References PStatStripChart::_collector_index, and INLINE.

int PStatGraph::get_xsize ( void ) const [inline, inherited]

Returns the width of the chart in pixels.

Definition at line 139 of file pStatGraph.I.
References PStatGraph::_guide_bar_units, and INLINE.
Referenced by end_draw(), get_collector_gc(), GtkStatsStripWindow::menu_hscale(), and PStatStripChart::set_scroll_mode().

int PStatGraph::get_ysize ( void ) const [inline, inherited]

Returns the height of the chart in pixels.

Definition at line 152 of file pStatGraph.I.
References PStatGraph::_unit_name, and INLINE.
Referenced by copy_region(), draw_slice(), end_draw(), get_collector_gc(), PStatStripChart::get_scroll_mode(), and GtkStatsStripWindow::menu_hscale().

int PStatStripChart::height_to_pixel ( float value ) const [inline, inherited]

Converts a value (i.e.
a "height" in the strip chart) to a vertical pixel offset.
Definition at line 202 of file pStatStripChart.I.
Referenced by copy_region().

void GtkStatsStripChart::idle ( ) [private, virtual]

Called at the end of the draw cycle.

Reimplemented from PStatStripChart.
Definition at line 325 of file gtkStatsStripChart.cxx.

PStatGraph::GuideBar PStatGraph::make_guide_bar ( float value ) const [protected, inherited]

Makes a guide bar for the indicated elapsed time or level units.

Definition at line 289 of file pStatGraph.cxx.

void GtkStatsStripChart::mark_dead ( )

Called when the client's connection has been lost, this should update the window in some obvious way to indicate that the window is no longer live.

Definition at line 74 of file gtkStatsStripChart.cxx.

void PStatStripChart::new_data ( int frame_number ) [inherited]

Indicates that new data has become available.

Definition at line 91 of file pStatStripChart.cxx.
References PStatStripChart::_next_frame, PStatStripChart::_view, PStatStripChart::draw_frames(), PStatMonitor::get_client_data(), PStatThreadData::get_latest_frame_number(), PStatGraph::get_monitor(), PStatClientData::get_num_collectors(), PStatClientData::get_num_threads(), PStatView::get_thread_data(), and PStatThreadData::is_empty().

void PStatStripChart::normal_guide_bars ( ) [protected, virtual, inherited]

Calls update_guide_bars with parameters suitable to this kind of graph.

Implements PStatGraph.
Definition at line 594 of file pStatStripChart.cxx.

void GtkStatsStripChart::pack_labels ( ) [private]

Definition at line 431 of file gtkStatsStripChart.cxx.
Referenced by draw_cursor().

float PStatStripChart::pixel_to_height ( int y ) const [inline, inherited]

Converts a vertical pixel offset to a value (a "height" in the strip chart).

Definition at line 217 of file pStatStripChart.I.

float PStatStripChart::pixel_to_timestamp ( int x ) const [inline, inherited]

Converts a horizontal pixel offset to a timestamp.

Definition at line 187 of file pStatStripChart.I.
Referenced by PStatStripChart::set_default_vertical_scale().

void PStatStripChart::set_auto_vertical_scale ( ) [inherited]

Sets the vertical scale to make all the data visible.

Definition at line 195 of file pStatStripChart.cxx.
References PStatStripChart::set_vertical_scale().

void PStatStripChart::set_default_vertical_scale ( ) [inherited]

Sets the vertical scale according to the suggested scale of the base collector, if any, or to center the target frame rate bar otherwise.

Definition at line 172 of file pStatStripChart.cxx.
References PStatStripChart::ColorData::_net_value, PStatGraph::_xsize, PStatStripChart::get_frame_data(), PStatThreadData::get_frame_number_at_time(), PStatThreadData::has_frame(), PStatStripChart::pixel_to_timestamp(), and x.
Referenced by PStatStripChart::PStatStripChart().

void PStatGraph::set_guide_bar_unit_name ( const string & unit_name ) [inline, inherited]

Sets the name of the units to be used for the guide bars if the units type is set to GBU_named | GBU_show_units.

Definition at line 206 of file pStatGraph.I.

void PStatGraph::set_guide_bar_units ( int unit_mask ) [inline, inherited]

Sets the units that are displayed for the guide bar labels.
This may be a union of one or more members of the GuideBarUnits enum.
Definition at line 169 of file pStatGraph.I.
References PStatGraph::_unit_name.

void PStatStripChart::set_horizontal_scale ( float time_width ) [inline, inherited]

Changes the amount of time the width of the horizontal axis represents.
This may force a redraw.
Definition at line 62 of file pStatStripChart.I.
References PStatStripChart::_time_width, and INLINE.

void PStatStripChart::set_scroll_mode ( bool scroll_mode ) [inline, inherited]

Changes the scroll_mode flag.
When true, the strip chart will update itself by scrolling to the left; when false, the strip chart will wrap around at the right and restart at the left end without scrolling.
Definition at line 137 of file pStatStripChart.I.
References PStatStripChart::_start_time, PStatStripChart::_time_width, PStatGraph::get_xsize(), INLINE, and x.

void PStatGraph::set_target_frame_rate ( float frame_rate ) [inline, inherited]

Sets the target frame rate of the application in Hz.
This only affects the choice of initial scale and the placement of guide bars.
Definition at line 108 of file pStatGraph.I.
References PStatGraph::_xsize.

void PStatStripChart::set_vertical_scale ( float value_height ) [inline, inherited]

Changes the value the height of the vertical axis represents.
This may force a redraw.
Definition at line 99 of file pStatStripChart.I.
References PStatStripChart::_first_data, PStatStripChart::_scroll_mode, and INLINE.
Referenced by PStatStripChart::first_data(), GtkStatsStripWindow::menu_new_window(), and PStatStripChart::set_auto_vertical_scale().

void GtkStatsStripChart::setup_white_gc ( ) [private]

Sets the color on _white_gc to be either actually white (if the chart is still alive) or a light gray (if the chart is dead).

Definition at line 470 of file gtkStatsStripChart.cxx.
Referenced by end_draw().

int PStatStripChart::timestamp_to_pixel ( float time ) const [inline, inherited]

Converts a timestamp to a horizontal pixel offset.

Definition at line 174 of file pStatStripChart.I.

void PStatStripChart::update ( void ) [inherited]

Updates the chart with the latest data.

Definition at line 107 of file pStatStripChart.cxx.

void PStatGraph::update_guide_bars ( int num_bars,

float scale

) [protected, inherited]

Resets the list of guide bars.

Definition at line 247 of file pStatGraph.cxx.
References PStatGraph::_guide_bar_units, PStatGraph::_target_frame_rate, PStatGraph::_unit_name, PStatGraph::format_number(), PStatGraph::GBU_named, and IS_NEARLY_EQUAL.

void PStatStripChart::update_labels ( ) [protected, inherited]

Resets the list of labels.

Definition at line 562 of file pStatStripChart.cxx.

Member Data Documentation

Gdk_GC GtkStatsStripChart::_black_gc [private]

Definition at line 88 of file gtkStatsStripChart.h.
Referenced by draw_slice(), and end_draw().

Gdk_GC GtkStatsStripChart::_dark_gc [private]

Definition at line 89 of file gtkStatsStripChart.h.
Referenced by end_draw().

GCs GtkStatsStripChart::_gcs [private]

Definition at line 94 of file gtkStatsStripChart.h.
Referenced by get_guide(), and get_labels().

GtkStatsGuide* GtkStatsStripChart::_guide [private]

Definition at line 98 of file gtkStatsStripChart.h.
Referenced by draw_cursor().

int PStatGraph::_guide_bar_units [protected, inherited]

Definition at line 117 of file pStatGraph.h.
Referenced by PStatGraph::get_target_frame_rate(), PStatGraph::get_xsize(), PStatStripChart::PStatStripChart(), and PStatGraph::update_guide_bars().

GuideBars PStatGraph::_guide_bars [protected, inherited]

Definition at line 116 of file pStatGraph.h.
Referenced by PStatGraph::get_num_guide_bars(), and PStatGraph::~PStatGraph().

bool PStatGraph::_guide_bars_changed [protected, inherited]

Definition at line 101 of file pStatGraph.h.
Referenced by draw_cursor().

bool GtkStatsStripChart::_is_dead [private]

Definition at line 99 of file gtkStatsStripChart.h.

Gtk::Alignment* GtkStatsStripChart::_label_align [private]

Definition at line 96 of file gtkStatsStripChart.h.

Gtk::VBox* GtkStatsStripChart::_label_box [private]

Definition at line 97 of file gtkStatsStripChart.h.

Labels PStatGraph::_labels [protected, inherited]

Definition at line 113 of file pStatGraph.h.
Referenced by PStatStripChart::draw_slice(), PStatPianoRoll::end_draw(), PStatGraph::get_monitor(), and PStatGraph::get_num_labels().

bool PStatGraph::_labels_changed [protected, inherited]

Definition at line 100 of file pStatGraph.h.
Referenced by PStatPianoRoll::end_draw().

Gdk_GC GtkStatsStripChart::_light_gc [private]

Definition at line 90 of file gtkStatsStripChart.h.
Referenced by end_draw().

PointerTo< PStatMonitor > PStatGraph::_monitor [protected, inherited]

Definition at line 103 of file pStatGraph.h.
Referenced by PStatGraph::GuideBar::GuideBar(), PStatPianoRoll::PStatPianoRoll(), and PStatStripChart::PStatStripChart().

Gdk_Pixmap GtkStatsStripChart::_pixmap [private]

Definition at line 82 of file gtkStatsStripChart.h.
Referenced by copy_region(), draw_slice(), end_draw(), and get_collector_gc().

float PStatGraph::_target_frame_rate [protected, inherited]

Definition at line 105 of file pStatGraph.h.
Referenced by PStatGraph::get_label_color(), PStatGraph::get_label_name(), and PStatGraph::update_guide_bars().

string PStatGraph::_unit_name [protected, inherited]

Definition at line 118 of file pStatGraph.h.
Referenced by PStatGraph::get_ysize(), PStatStripChart::PStatStripChart(), PStatGraph::set_guide_bar_units(), and PStatGraph::update_guide_bars().

Gdk_GC GtkStatsStripChart::_white_gc [private]

Definition at line 87 of file gtkStatsStripChart.h.
Referenced by button_press_event_impl(), copy_region(), end_draw(), expose_event_impl(), and get_collector_gc().

int PStatGraph::_xsize [protected, inherited]

Definition at line 107 of file pStatGraph.h.
Referenced by PStatStripChart::get_frame_data(), PStatPianoRoll::get_horizontal_scale(), PStatGraph::GuideBar::GuideBar(), PStatStripChart::idle(), PStatStripChart::set_default_vertical_scale(), PStatGraph::set_target_frame_rate(), and PStatPianoRoll::update().

int PStatGraph::_ysize [protected, inherited]

Definition at line 108 of file pStatGraph.h.
Referenced by PStatStripChart::get_frame_data(), PStatGraph::GuideBar::GuideBar(), and PStatPianoRoll::update().

SigC::Signal1<void, int> GtkStatsStripChart::collector_picked

Definition at line 62 of file gtkStatsStripChart.h.
Referenced by configure_event_impl().

The documentation for this class was generated from the following files:

pandatool/src/gtk-stats/gtkStatsStripChart.h
pandatool/src/gtk-stats/gtkStatsStripChart.cxx

Generated on Fri May 2 03:27:15 2003 for Panda-Tool by

1.3

GtkStatsStripChart Class Reference

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