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winStatsLabelStack.cxx
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1/**
2 * PANDA 3D SOFTWARE
3 * Copyright (c) Carnegie Mellon University. All rights reserved.
4 *
5 * All use of this software is subject to the terms of the revised BSD
6 * license. You should have received a copy of this license along
7 * with this source code in a file named "LICENSE."
8 *
9 * @file winStatsLabelStack.cxx
10 * @author drose
11 * @date 2004-01-07
12 */
13
14#include "winStatsLabelStack.h"
15#include "winStatsLabel.h"
16#include "pnotify.h"
17
18 bool WinStatsLabelStack::_window_class_registered = false;
19 const char * const WinStatsLabelStack::_window_class_name = "stack";
20
21/**
22 *
23 */
24WinStatsLabelStack::
25WinStatsLabelStack() {
26 _x = 0;
27 _y = 0;
28 _width = 0;
29 _height = 0;
30 _ideal_width = 0;
31
32 _highlight_label = -1;
33}
34
35/**
36 *
37 */
38WinStatsLabelStack::
39~WinStatsLabelStack() {
40 clear_labels();
41 if (_window) {
42 DestroyWindow(_window);
43 _window = 0;
44 }
45}
46
47/**
48 * Creates the actual window object.
49 */
50 void WinStatsLabelStack::
51 setup(HWND parent_window) {
52 if (_window) {
53 DestroyWindow(_window);
54 _window = 0;
55 }
56
57 create_window(parent_window);
58
59 _ideal_width = 0;
60 Labels::iterator li;
61 for (li = _labels.begin(); li != _labels.end(); ++li) {
62 WinStatsLabel *label = (*li);
63 label->setup(_window);
64 _ideal_width = std::max(_ideal_width, label->get_ideal_width());
65 }
66}
67
68/**
69 * Returns true if the label stack has been set up, false otherwise.
70 */
71 bool WinStatsLabelStack::
72 is_setup() const {
73 return (_window != 0);
74}
75
76/**
77 * Sets the position and size of the label stack on its parent.
78 */
79 void WinStatsLabelStack::
80 set_pos(int x, int y, int width, int height) {
81 _x = x;
82 _y = y;
83 _width = width;
84 _height = height;
85 SetWindowPos(_window, 0, x, y, _width, _height,
86 SWP_NOZORDER | SWP_SHOWWINDOW);
87
88 Labels::iterator li;
89 int yp = height;
90 for (li = _labels.begin(); li != _labels.end(); ++li) {
91 WinStatsLabel *label = (*li);
92 label->set_pos(0, yp, _width);
93 yp -= label->get_height();
94 }
95}
96
97/**
98 * Returns the x position of the stack on its parent.
99 */
100 int WinStatsLabelStack::
101 get_x() const {
102 return _x;
103}
104
105/**
106 * Returns the y position of the stack on its parent.
107 */
108 int WinStatsLabelStack::
109 get_y() const {
110 return _y;
111}
112
113/**
114 * Returns the width of the stack as we requested it.
115 */
116 int WinStatsLabelStack::
117 get_width() const {
118 return _width;
119}
120
121/**
122 * Returns the height of the stack as we requested it.
123 */
124 int WinStatsLabelStack::
125 get_height() const {
126 return _height;
127}
128
129/**
130 * Returns the width the stack would really prefer to be.
131 */
132 int WinStatsLabelStack::
133 get_ideal_width() const {
134 return _ideal_width;
135}
136
137/**
138 * Returns the y position of the indicated label's bottom edge, relative to
139 * the label stack's parent window.
140 */
141 int WinStatsLabelStack::
142 get_label_y(int label_index) const {
143 nassertr(label_index >= 0 && label_index < (int)_labels.size(), 0);
144 return _labels[label_index]->get_y() + get_y();
145}
146
147/**
148 * Returns the height of the indicated label.
149 */
150 int WinStatsLabelStack::
151 get_label_height(int label_index) const {
152 nassertr(label_index >= 0 && label_index < (int)_labels.size(), 0);
153 return _labels[label_index]->get_height();
154}
155
156/**
157 * Returns the collector index associated with the indicated label.
158 */
159 int WinStatsLabelStack::
160 get_label_collector_index(int label_index) const {
161 nassertr(label_index >= 0 && label_index < (int)_labels.size(), -1);
162 return _labels[label_index]->get_collector_index();
163}
164
165/**
166 * Removes the set of labels and starts a new set.
167 */
168 void WinStatsLabelStack::
169 clear_labels() {
170 Labels::iterator li;
171 for (li = _labels.begin(); li != _labels.end(); ++li) {
172 delete (*li);
173 }
174 _labels.clear();
175 _ideal_width = 0;
176}
177
178/**
179 * Adds a new label to the top of the stack; returns the new label index.
180 */
181 int WinStatsLabelStack::
182 add_label(WinStatsMonitor *monitor, WinStatsGraph *graph,
183 int thread_index, int collector_index, bool use_fullname) {
184 int yp = _height;
185 if (!_labels.empty()) {
186 WinStatsLabel *top_label = _labels.back();
187 yp = top_label->get_y() - top_label->get_height();
188 }
189 WinStatsLabel *label =
190 new WinStatsLabel(monitor, graph, thread_index, collector_index, use_fullname);
191 if (_window) {
192 label->setup(_window);
193 label->set_pos(0, yp, _width);
194 }
195 _ideal_width = std::max(_ideal_width, label->get_ideal_width());
196
197 int label_index = (int)_labels.size();
198 _labels.push_back(label);
199
200 return label_index;
201}
202
203/**
204 * Returns the number of labels in the stack.
205 */
206 int WinStatsLabelStack::
207 get_num_labels() const {
208 return _labels.size();
209}
210
211/**
212 * Draws a highlight around the label representing the indicated collector,
213 * and removes the highlight from any other label. Specify -1 to remove the
214 * highlight from all labels.
215 */
216 void WinStatsLabelStack::
217 highlight_label(int collector_index) {
218 if (_highlight_label != collector_index) {
219 _highlight_label = collector_index;
220 Labels::iterator li;
221 for (li = _labels.begin(); li != _labels.end(); ++li) {
222 WinStatsLabel *label = (*li);
223 label->set_highlight(label->get_collector_index() == _highlight_label);
224 }
225 }
226}
227
228
229/**
230 * Creates the window for this stack.
231 */
232 void WinStatsLabelStack::
233create_window(HWND parent_window) {
234 if (_window) {
235 return;
236 }
237
238 HINSTANCE application = GetModuleHandle(nullptr);
239 register_window_class(application);
240
241 _window =
242 CreateWindow(_window_class_name, "label stack", WS_CHILD | WS_CLIPCHILDREN | WS_CLIPSIBLINGS,
243 0, 0, 0, 0,
244 parent_window, nullptr, application, 0);
245 if (!_window) {
246 nout << "Could not create Label Stack window!\n";
247 exit(1);
248 }
249
250 SetWindowLongPtr(_window, 0, (LONG_PTR)this);
251}
252
253/**
254 * Registers the window class for the label window, if it has not already been
255 * registered.
256 */
257 void WinStatsLabelStack::
258register_window_class(HINSTANCE application) {
259 if (_window_class_registered) {
260 return;
261 }
262
263 WNDCLASS wc;
264
265 ZeroMemory(&wc, sizeof(WNDCLASS));
266 wc.style = 0;
267 wc.lpfnWndProc = (WNDPROC)static_window_proc;
268 wc.hInstance = application;
269 wc.hCursor = LoadCursor(nullptr, IDC_ARROW);
270 wc.lpszMenuName = nullptr;
271 wc.lpszClassName = _window_class_name;
272
273 // Reserve space to associate the this pointer with the window.
274 wc.cbWndExtra = sizeof(WinStatsLabelStack *);
275
276 if (!RegisterClass(&wc)) {
277 nout << "Could not register Label Stack window class!\n";
278 exit(1);
279 }
280
281 _window_class_registered = true;
282}
283
284/**
285 *
286 */
287LONG WINAPI WinStatsLabelStack::
288static_window_proc(HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam) {
289 WinStatsLabelStack *self = (WinStatsLabelStack *)GetWindowLongPtr(hwnd, 0);
290 if (self != nullptr && self->_window == hwnd) {
291 return self->window_proc(hwnd, msg, wparam, lparam);
292 } else {
293 return DefWindowProc(hwnd, msg, wparam, lparam);
294 }
295}
296
297/**
298 *
299 */
300LONG WinStatsLabelStack::
301window_proc(HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam) {
302 switch (msg) {
303 case WM_PAINT:
304 {
305 PAINTSTRUCT ps;
306 HDC hdc = BeginPaint(hwnd, &ps);
307
308 RECT rect = { 0, 0, _width, _height };
309 FillRect(hdc, &rect, (HBRUSH)COLOR_BACKGROUND);
310 EndPaint(hwnd, &ps);
311 return 0;
312 }
313
314 default:
315 break;
316 }
317
318 return DefWindowProc(hwnd, msg, wparam, lparam);
319}
WinStatsGraph
This is just an abstract base class to provide a common pointer type for the various kinds of graphs ...
Definition winStatsGraph.h:32
WinStatsLabelStack::get_label_collector_index
int get_label_collector_index(int label_index) const
Returns the collector index associated with the indicated label.
Definition winStatsLabelStack.cxx:160
WinStatsLabelStack::highlight_label
void highlight_label(int collector_index)
Draws a highlight around the label representing the indicated collector, and removes the highlight fr...
Definition winStatsLabelStack.cxx:217
WinStatsLabelStack::get_ideal_width
int get_ideal_width() const
Returns the width the stack would really prefer to be.
Definition winStatsLabelStack.cxx:133
WinStatsLabelStack::is_setup
bool is_setup() const
Returns true if the label stack has been set up, false otherwise.
Definition winStatsLabelStack.cxx:72
WinStatsLabelStack::setup
void setup(HWND parent_window)
Creates the actual window object.
Definition winStatsLabelStack.cxx:51
WinStatsLabelStack::get_width
int get_width() const
Returns the width of the stack as we requested it.
Definition winStatsLabelStack.cxx:117
WinStatsLabelStack::get_y
int get_y() const
Returns the y position of the stack on its parent.
Definition winStatsLabelStack.cxx:109
WinStatsLabelStack::clear_labels
void clear_labels()
Removes the set of labels and starts a new set.
Definition winStatsLabelStack.cxx:169
WinStatsLabelStack::set_pos
void set_pos(int x, int y, int width, int height)
Sets the position and size of the label stack on its parent.
Definition winStatsLabelStack.cxx:80
WinStatsLabelStack::get_x
int get_x() const
Returns the x position of the stack on its parent.
Definition winStatsLabelStack.cxx:101
WinStatsLabelStack::get_label_height
int get_label_height(int label_index) const
Returns the height of the indicated label.
Definition winStatsLabelStack.cxx:151
WinStatsLabelStack::get_num_labels
int get_num_labels() const
Returns the number of labels in the stack.
Definition winStatsLabelStack.cxx:207
WinStatsLabelStack::get_label_y
int get_label_y(int label_index) const
Returns the y position of the indicated label's bottom edge, relative to the label stack's parent win...
Definition winStatsLabelStack.cxx:142
WinStatsLabelStack::add_label
int add_label(WinStatsMonitor *monitor, WinStatsGraph *graph, int thread_index, int collector_index, bool use_fullname)
Adds a new label to the top of the stack; returns the new label index.
Definition winStatsLabelStack.cxx:182
WinStatsLabelStack::get_height
int get_height() const
Returns the height of the stack as we requested it.
Definition winStatsLabelStack.cxx:125
WinStatsLabel
A text label that will draw in color appropriate for a particular collector.
Definition winStatsLabel.h:32
WinStatsLabel::setup
void setup(HWND parent_window)
Creates the actual window.
Definition winStatsLabel.cxx:90
WinStatsLabel::get_y
int get_y() const
Returns the y position of the label on its parent.
Definition winStatsLabel.cxx:135
WinStatsLabel::get_ideal_width
int get_ideal_width() const
Returns the width the label would really prefer to be.
Definition winStatsLabel.cxx:159
WinStatsLabel::get_collector_index
int get_collector_index() const
Returns the collector this label represents.
Definition winStatsLabel.cxx:167
WinStatsLabel::get_height
int get_height() const
Returns the height of the label as we requested it.
Definition winStatsLabel.cxx:151
WinStatsLabel::set_pos
void set_pos(int x, int y, int width)
Sets the position of the label on its parent.
Definition winStatsLabel.cxx:115
WinStatsLabel::set_highlight
void set_highlight(bool highlight)
Enables or disables the visual highlight for this label.
Definition winStatsLabel.cxx:175
WinStatsMonitor
This class represents a connection to a PStatsClient and manages the data exchange with the client.
Definition winStatsMonitor.h:38
pnotify.h
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
winStatsLabelStack.h
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
winStatsLabel.h
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.