View Class Reference

#include <celestiacore.h>

Collaboration diagram for View:

List of all members.


Public Types
enum	Type { ViewWindow = 1, HorizontalSplit = 2, VerticalSplit = 3 }
Public Member Functions
void	mapWindowToView (float, float, float &, float &) const
	View (Type, Observer *, float, float, float, float)
void	walkTreeResize (View *, int)
bool	walkTreeResizeDelta (View *, float, bool)
Public Attributes
float	alternateZoom
View *	child1
View *	child2
float	height
int	labelMode
Observer *	observer
View *	parent
int	renderFlags
Type	type
float	width
float	x
float	y
float	zoom

Member Enumeration Documentation

enum View::Type

Enumeration values:

ViewWindow

HorizontalSplit

VerticalSplit

Definition at line 52 of file celestiacore.h.
00052 { 00053 ViewWindow = 1, 00054 HorizontalSplit = 2, 00055 VerticalSplit = 3 00056 };

Constructor & Destructor Documentation

View::View ( Type ,

Observer * ,

float ,

float ,

float ,

float

)

Definition at line 151 of file celestiacore.cpp.
00154 : 00155 type(_type), 00156 observer(_observer), 00157 parent(0), 00158 child1(0), 00159 child2(0), 00160 x(_x), 00161 y(_y), 00162 width(_width), 00163 height(_height), 00164 renderFlags(0), 00165 labelMode(0), 00166 zoom(1), 00167 alternateZoom(1) 00168 { 00169 }

Member Function Documentation

void View::mapWindowToView ( float ,

float ,

float & ,

float &

) const

Definition at line 171 of file celestiacore.cpp.
References height, width, x, and y.
Referenced by CelestiaCore::mouseButtonUp().
00172 { 00173 vx = (wx - x) / width; 00174 vy = (wy + (y + height - 1)) / height; 00175 vx = (vx - 0.5f) * (width / height); 00176 vy = 0.5f - vy; 00177 }

void View::walkTreeResize ( View * ,

int

)

Definition at line 179 of file celestiacore.cpp.
References height, HorizontalSplit, parent, sign(), type, VerticalSplit, ViewWindow, width, x, and y.
Referenced by CelestiaCore::deleteView().
00179 { 00180 float ratio; 00181 switch (parent->type) 00182 { 00183 case View::HorizontalSplit: 00184 ratio = parent->height / (parent->height - height); 00185 sibling->height *= ratio; 00186 if (sign == 1) 00187 { 00188 sibling->y = parent->y + (sibling->y - parent->y) * ratio; 00189 } 00190 else 00191 { 00192 sibling->y = parent->y + (sibling->y - (y + height)) * ratio; 00193 } 00194 break; 00195 00196 case View::VerticalSplit: 00197 ratio = parent->width / (parent->width - width); 00198 sibling->width *= ratio; 00199 if (sign == 1) 00200 { 00201 sibling->x = parent->x + (sibling->x - parent->x) * ratio; 00202 } 00203 else 00204 { 00205 sibling->x = parent->x + (sibling->x - (x + width) ) * ratio; 00206 } 00207 break; 00208 case View::ViewWindow: 00209 break; 00210 } 00211 if (sibling->child1) walkTreeResize(sibling->child1, sign); 00212 if (sibling->child2) walkTreeResize(sibling->child2, sign); 00213 }

bool View::walkTreeResizeDelta ( View * ,

float ,

bool

)

Definition at line 215 of file celestiacore.cpp.
References child1, child2, height, HorizontalSplit, parent, sign(), type, VerticalSplit, ViewWindow, width, x, and y.
Referenced by CelestiaCore::mouseMove().
00216 { 00217 View *p=v; 00218 int sign = -1; 00219 float ratio; 00220 double newSize; 00221 00222 if (v->child1) 00223 { 00224 if (!walkTreeResizeDelta(v->child1, delta, check)) 00225 return false; 00226 } 00227 00228 if (v->child2) 00229 { 00230 if (!walkTreeResizeDelta(v->child2, delta, check)) 00231 return false; 00232 } 00233 00234 while ( p != child1 && p != child2 && (p = p->parent) ) ; 00235 if (p == child1) sign = 1; 00236 switch (type) 00237 { 00238 case View::HorizontalSplit: 00239 delta = -delta; 00240 ratio = (p->height + sign * delta) / p->height; 00241 newSize = v->height * ratio; 00242 if (newSize <= .1) return false; 00243 if (check) return true; 00244 v->height = (float) newSize; 00245 if (sign == 1) 00246 { 00247 v->y = p->y + (v->y - p->y) * ratio; 00248 } 00249 else 00250 { 00251 v->y = p->y + delta + (v->y - p->y) * ratio; 00252 } 00253 break; 00254 00255 case View::VerticalSplit: 00256 ratio = (p->width + sign * delta) / p->width; 00257 newSize = v->width * ratio; 00258 if (newSize <= .1) return false; 00259 if (check) return true; 00260 v->width = (float) newSize; 00261 if (sign == 1) 00262 { 00263 v->x = p->x + (v->x - p->x) * ratio; 00264 } 00265 else 00266 { 00267 v->x = p->x + delta + (v->x - p->x) * ratio; 00268 } 00269 break; 00270 case View::ViewWindow: 00271 break; 00272 } 00273 00274 return true; 00275 }