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zoomedit: Added room selection and hover effect.

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This commit is contained in:
neoraider 2007-06-26 19:30:01 +00:00
parent b8549034be
commit f10436d816
6 changed files with 124 additions and 5 deletions
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21
draw.c
View file

@ -97,7 +97,7 @@ gboolean drawTopView(GtkWidget *widget, GdkEventExpose *event, gpointer data) {
int i;
if(getLevel() == NULL) return;
if(getLevel() == NULL) return FALSE;
if(pixmap == NULL || lastImageWidth != getImageWidth() || lastImageHeight != getImageHeight() ||
lastWidth != widget->allocation.width || lastHeight != widget->allocation.height || repaint)
@ -148,7 +148,7 @@ gboolean drawTopView(GtkWidget *widget, GdkEventExpose *event, gpointer data) {
cairo_fill_preserve(cr);
cairo_set_source_rgba(cr, 1.0, 1.0, 1.0, 0.9);
cairo_set_line_width(cr, 1.5/scale);
cairo_set_line_width(cr, 2.0/scale);
cairo_stroke(cr);
}
@ -157,6 +157,23 @@ gboolean drawTopView(GtkWidget *widget, GdkEventExpose *event, gpointer data) {
gdk_draw_drawable(GDK_DRAWABLE(widget->window), widget->style->fg_gc[GTK_WIDGET_STATE(widget)], GDK_DRAWABLE(pixmap), 0, 0, 0, 0, -1, -1);
if(getHoveredRoom() != NULL && getHoveredRoom() != getActiveRoom()) {
cr = gdk_cairo_create(GDK_DRAWABLE(widget->window));
cairo_translate(cr, getImageWidth()/2-xTranslate, getImageHeight()/2-yTranslate);
cairo_scale(cr, scale, scale);
cairo_set_line_width(cr, 2.0/scale);
cairo_set_line_join(cr, CAIRO_LINE_JOIN_MITER);
room2path(cr, getHoveredRoom(), NULL);
cairo_set_source_rgba(cr, 0.0, 0.7, 1.0, 0.7);
cairo_stroke(cr);
cairo_destroy (cr);
}
return FALSE;
}

9
edit.c
View file

@ -4,6 +4,7 @@
static int editMode = EDIT_MODE_VIEW;
static ROOM *activeRoom = NULL;
static ROOM *hoveredRoom = NULL;
int getEditMode() {
return editMode;
@ -20,3 +21,11 @@ void setActiveRoom(ROOM *room) {
if(editMode == EDIT_MODE_VIEW || editMode == EDIT_MODE_SELECTED)
editMode = (room == NULL) ? EDIT_MODE_VIEW : EDIT_MODE_SELECTED;
}
ROOM *getHoveredRoom() {
return hoveredRoom;
}
void setHoveredRoom(ROOM *room) {
hoveredRoom = room;
}

3
edit.h
View file

@ -12,4 +12,7 @@ int getEditMode();
ROOM *getActiveRoom();
void setActiveRoom(ROOM *room);
ROOM *getHoveredRoom();
void setHoveredRoom(ROOM *room);
#endif /*EDIT_H_*/

18
geometry.c
View file

@ -140,8 +140,11 @@ int lineIntersection(const LINE *la, const LINE *lb, VERTEX *v) {
double xb2 = lb->v2.x, yb2 = lb->v2.y;
double temp;
int switched = 0;
VERTEX v2;
if(v == NULL) v = &v2;
if(xa1 == xa2 && ya1 == ya2) return INTERSECTION_ERROR;
if(xb1 == xb2 && yb1 == yb2) return INTERSECTION_ERROR;
@ -227,6 +230,21 @@ int lineRectIntersections(const LINE *line, const RECTANGLE *rect, int edge, VER
return ret;
}
gboolean linePolygonIntersection(const LINE *l, const POLYGON *p) {
int i;
LINE line;
for(i = 0; i < p->nVertices; i++) {
line.v1 = p->vertices[i];
line.v2 = p->vertices[(i+1)%p->nVertices];
if(lineIntersection(l, &line, NULL) == INTERSECTION_SEGMENT_SEGMENT)
return TRUE;
}
return FALSE;
}
void simplifyPolygon(const POLYGON *in, const RECTANGLE *rect, POLYGON *out) {
int i, j;
int a;

1
geometry.h
View file

@ -49,6 +49,7 @@ gboolean vertexInPolygon(const VERTEX *v, const POLYGON *p);
int lineIntersection(const LINE *la, const LINE *lb, VERTEX *v);
int lineRectIntersection(const LINE *l, const RECTANGLE *rect, int edge, VERTEX *v);
int lineRectIntersections(const LINE *line, const RECTANGLE *rect, int edge, VERTEX *v1, VERTEX *v2);
gboolean linePolygonIntersection(const LINE *l, const POLYGON *p);
void simplifyPolygon(const POLYGON *in, const RECTANGLE *rect, POLYGON *out);
#endif /*GEOMETRY_H_*/

77
window.c
View file

@ -55,6 +55,67 @@ static gboolean buttonEvent(GtkWidget *widget, GdkEventButton *event, gpointer u
return FALSE;
}
gboolean crossingNotifyEvent(GtkWidget *widget, GdkEventCrossing *event, gpointer user_data) {
int i;
VERTEX v;
setHoveredRoom(NULL);
if(event->type == GDK_ENTER_NOTIFY) {
v.x = event->x;
v.y = event->y;
viewToImage(&v);
for(i = 0; i < getLevel()->nRooms; i++) {
if(vertexInPolygon(&v, &getLevel()->rooms[i])) {
setHoveredRoom(&getLevel()->rooms[i]);
break;
}
}
}
gtk_widget_queue_draw(drawingArea);
}
gboolean motionNotifyEvent(GtkWidget *widget, GdkEventMotion *event, gpointer user_data) {
int i;
static VERTEX v, v_last = {0, 0};
LINE line;
gboolean changed = FALSE;
v.x = event->x;
v.y = event->y;
viewToImage(&v);
line.v1 = v_last;
line.v2 = v;
for(i = 0; i < getLevel()->nRooms; i++) {
if(linePolygonIntersection(&line, &getLevel()->rooms[i])) {
if(vertexInPolygon(&v, &getLevel()->rooms[i])) {
setHoveredRoom(&getLevel()->rooms[i]);
changed = TRUE;
break;
}
else {
setHoveredRoom(NULL);
changed = TRUE;
}
}
}
if(changed)
gtk_widget_queue_draw(drawingArea);
v_last = v;
}
static void destroy(GtkWidget *widget, gpointer data) {
gtk_main_quit();
}
@ -110,7 +171,7 @@ static void updateScrollbarsCentered() {
}
GtkWidget* createMainWindow() {
GtkWidget *window, *vbox, *menubar, *toolbar, *table, *vScroll, *hScroll;
GtkWidget *window, *vbox, *menubar, *toolbar, *hPaned, *table, *vScroll, *hScroll, *sidebar;
GdkColor color = {0, 0, 0, 0};
@ -130,8 +191,11 @@ GtkWidget* createMainWindow() {
gtk_window_add_accel_group(GTK_WINDOW(window), getAccels());
hPaned = gtk_hpaned_new();
gtk_box_pack_end(GTK_BOX(vbox), hPaned, TRUE, TRUE, 0);
table = gtk_table_new(2, 2, FALSE);
gtk_box_pack_end(GTK_BOX(vbox), table, TRUE, TRUE, 0);
gtk_paned_pack1(GTK_PANED(hPaned), table, TRUE, TRUE);
drawingArea = gtk_drawing_area_new();
gtk_widget_modify_bg(drawingArea, GTK_WIDGET_STATE(drawingArea), &color);
@ -139,8 +203,12 @@ GtkWidget* createMainWindow() {
g_signal_connect(G_OBJECT(drawingArea), "expose-event", G_CALLBACK(drawTopView), NULL);
g_signal_connect(G_OBJECT(drawingArea), "button-press-event", G_CALLBACK(buttonEvent), NULL);
g_signal_connect(G_OBJECT(drawingArea), "button-release-event", G_CALLBACK(buttonEvent), NULL);
g_signal_connect(G_OBJECT(drawingArea), "enter-notify-event", G_CALLBACK(crossingNotifyEvent), NULL);
g_signal_connect(G_OBJECT(drawingArea), "leave-notify-event", G_CALLBACK(crossingNotifyEvent), NULL);
g_signal_connect(G_OBJECT(drawingArea), "motion-notify-event", G_CALLBACK(motionNotifyEvent), NULL);
g_signal_connect(G_OBJECT(drawingArea), "scroll-event", G_CALLBACK(scrollEvent), NULL);
gtk_widget_add_events(drawingArea, GDK_SCROLL_MASK);
gtk_widget_add_events(drawingArea, GDK_SCROLL_MASK | GDK_POINTER_MOTION_MASK | GDK_ENTER_NOTIFY_MASK | GDK_LEAVE_NOTIFY_MASK);
gtk_widget_set_double_buffered(drawingArea, FALSE);
gtk_table_attach(GTK_TABLE(table), drawingArea, 0, 1, 0, 1, GTK_FILL|GTK_EXPAND|GTK_SHRINK, GTK_FILL|GTK_EXPAND|GTK_SHRINK, 0, 0);
hAdjustment = GTK_ADJUSTMENT(gtk_adjustment_new(0, 0, 0, 10, 100, 100));
@ -153,6 +221,9 @@ GtkWidget* createMainWindow() {
g_signal_connect(G_OBJECT(vScroll), "value-changed", G_CALLBACK(refreshScrolling), NULL);
gtk_table_attach(GTK_TABLE(table), vScroll, 1, 2, 0, 1, 0, GTK_FILL|GTK_EXPAND|GTK_SHRINK, 0, 0);
sidebar = gtk_vbox_new(FALSE, 0);
gtk_paned_pack2(GTK_PANED(hPaned), sidebar, FALSE, TRUE);
gtk_widget_show_all(vbox);
return window;