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Diffstat (limited to 'tikzit/src/gtk/SelectTool.m')
| -rw-r--r-- | tikzit/src/gtk/SelectTool.m | 590 |
1 files changed, 0 insertions, 590 deletions
diff --git a/tikzit/src/gtk/SelectTool.m b/tikzit/src/gtk/SelectTool.m deleted file mode 100644 index c821162..0000000 --- a/tikzit/src/gtk/SelectTool.m +++ /dev/null @@ -1,590 +0,0 @@ -/* - * Copyright 2012 Alex Merry <alex.merry@kdemail.net> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - */ - -#import "SelectTool.h" - -#import "Configuration.h" -#import "Edge+Render.h" -#import "GraphRenderer.h" -#import "TikzDocument.h" -#import "tzstockitems.h" - -#import <gdk/gdkkeysyms.h> - -#define DRAG_SELECT_MODE_KEY "tikzit-drag-select-mode" - -static const InputMask unionSelectMask = ShiftMask; - -static void drag_select_mode_cb (GtkToggleButton *button, SelectTool *tool); - -@interface SelectTool (Private) -- (TikzDocument*) doc; -- (void) shiftNodesByMovingLeader:(Node*)leader to:(NSPoint)to; -- (void) deselectAllNodes; -- (void) deselectAllEdges; -- (void) deselectAll; -- (BOOL) circleWithCenter:(NSPoint)c andRadius:(float)r containsPoint:(NSPoint)p; -- (void) lookForControlPointAt:(NSPoint)pos; -- (void) setSelectionBox:(NSRect)box; -- (void) clearSelectionBox; -- (BOOL) selectionBoxContainsNode:(Node*)node; -@end - -@implementation SelectTool -- (NSString*) name { return @"Select"; } -- (const gchar*) stockId { return TIKZIT_STOCK_SELECT; } -- (NSString*) helpText { return @"Select, move and edit nodes and edges"; } -- (NSString*) shortcut { return @"s"; } -@synthesize configurationWidget=configWidget; -@synthesize edgeFuzz; - -+ (id) tool { - return [[[self alloc] init] autorelease]; -} - -- (id) init { - self = [super init]; - - if (self) { - state = QuietState; - edgeFuzz = 3.0f; - dragSelectMode = DragSelectsNodes; - - configWidget = gtk_vbox_new (FALSE, 0); - g_object_ref_sink (configWidget); - - GtkWidget *label = gtk_label_new ("Drag selects:"); - gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5); - gtk_box_pack_start (GTK_BOX (configWidget), - label, - FALSE, - FALSE, - 0); - - GtkWidget *nodeOpt = gtk_radio_button_new_with_label (NULL, "nodes (N)"); - g_object_set_data (G_OBJECT (nodeOpt), - DRAG_SELECT_MODE_KEY, - (gpointer)DragSelectsNodes); - gtk_box_pack_start (GTK_BOX (configWidget), - nodeOpt, - FALSE, - FALSE, - 0); - g_signal_connect (G_OBJECT (nodeOpt), - "toggled", - G_CALLBACK (drag_select_mode_cb), - self); - - GtkWidget *edgeOpt = gtk_radio_button_new_with_label ( - gtk_radio_button_get_group (GTK_RADIO_BUTTON (nodeOpt)), - "edges (E)"); - g_object_set_data (G_OBJECT (edgeOpt), - DRAG_SELECT_MODE_KEY, - (gpointer)DragSelectsEdges); - gtk_box_pack_start (GTK_BOX (configWidget), - edgeOpt, - FALSE, - FALSE, - 0); - g_signal_connect (G_OBJECT (edgeOpt), - "toggled", - G_CALLBACK (drag_select_mode_cb), - self); - - GtkWidget *bothOpt = gtk_radio_button_new_with_label ( - gtk_radio_button_get_group (GTK_RADIO_BUTTON (edgeOpt)), - "both (B)"); - g_object_set_data (G_OBJECT (bothOpt), - DRAG_SELECT_MODE_KEY, - (gpointer)DragSelectsBoth); - gtk_box_pack_start (GTK_BOX (configWidget), - bothOpt, - FALSE, - FALSE, - 0); - g_signal_connect (G_OBJECT (bothOpt), - "toggled", - G_CALLBACK (drag_select_mode_cb), - self); - dragSelectModeButtons = gtk_radio_button_get_group (GTK_RADIO_BUTTON (bothOpt)); - - gtk_widget_show_all (configWidget); - } - - return self; -} - -- (void) dealloc { - [[NSNotificationCenter defaultCenter] removeObserver:self]; - - [renderer release]; - [leaderNode release]; - [modifyEdge release]; - - g_object_unref (G_OBJECT (configWidget)); - - [super dealloc]; -} - -- (DragSelectMode) dragSelectMode { - return dragSelectMode; -} - -- (void) setDragSelectMode:(DragSelectMode)mode { - if (dragSelectMode == mode) - return; - - dragSelectMode = mode; - - GSList *entry = dragSelectModeButtons; - while (entry) { - GtkToggleButton *button = GTK_TOGGLE_BUTTON (entry->data); - DragSelectMode buttonMode = - (DragSelectMode) g_object_get_data ( - G_OBJECT (button), - DRAG_SELECT_MODE_KEY); - if (buttonMode == dragSelectMode) { - gtk_toggle_button_set_active (button, TRUE); - break; - } - - entry = g_slist_next (entry); - } -} - -- (GraphRenderer*) activeRenderer { return renderer; } -- (void) setActiveRenderer:(GraphRenderer*)r { - if (r == renderer) - return; - - [r retain]; - [renderer release]; - renderer = r; - - state = QuietState; -} - -- (void) mousePressAt:(NSPoint)pos withButton:(MouseButton)button andMask:(InputMask)mask { - if (button != LeftButton) - return; - - dragOrigin = pos; - - // we should already be in a quiet state, but no harm in making sure - state = QuietState; - - modifyEdge = nil; - [self lookForControlPointAt:pos]; - - if (modifyEdge == nil) { - // we didn't find a control point - - BOOL unionSelect = (mask & unionSelectMask); - - leaderNode = [renderer anyNodeAt:pos]; - // if we hit a node, deselect other nodes (if Shift is up) and go to move mode - if (leaderNode != nil) { - BOOL alreadySelected = [[self doc] isNodeSelected:leaderNode]; - if (!unionSelect && !alreadySelected) { - [self deselectAll]; - } - if (unionSelect && alreadySelected) { - state = ToggleSelectState; - } else { - [[[self doc] pickSupport] selectNode:leaderNode]; - state = MoveSelectedNodesState; - oldLeaderPos = [leaderNode point]; - [[self doc] startShiftNodes:[[[self doc] pickSupport] selectedNodes]]; - } - } - - // if mouse did not hit a node, check if mouse hit an edge - if (leaderNode == nil) { - Edge *edge = [renderer anyEdgeAt:pos withFuzz:edgeFuzz]; - if (edge != nil) { - BOOL alreadySelected = [[self doc] isEdgeSelected:edge]; - if (!unionSelect) { - [self deselectAll]; - } - if (unionSelect && alreadySelected) { - [[[self doc] pickSupport] deselectEdge:edge]; - } else { - [[[self doc] pickSupport] selectEdge:edge]; - } - } else { - // if mouse did not hit anything, put us in box mode - if (!unionSelect) { - [self deselectAll]; - } - [renderer clearHighlightedNodes]; - state = SelectBoxState; - } - } - } -} - -- (void) mouseMoveTo:(NSPoint)pos withButtons:(MouseButton)buttons andMask:(InputMask)mask { - if (!(buttons & LeftButton)) - return; - - Transformer *transformer = [renderer transformer]; - - if (state == ToggleSelectState) { - state = MoveSelectedNodesState; - oldLeaderPos = [leaderNode point]; - [[self doc] startShiftNodes:[[[self doc] pickSupport] selectedNodes]]; - } - - if (state == SelectBoxState) { - [self setSelectionBox:NSRectAroundPoints(dragOrigin, pos)]; - - NSEnumerator *enumerator = [[self doc] nodeEnumerator]; - Node *node; - while ((node = [enumerator nextObject]) != nil) { - NSPoint nodePos = [transformer toScreen:[node point]]; - if (NSPointInRect(nodePos, selectionBox)) { - [renderer setNode:node highlighted:YES]; - } else { - [renderer setNode:node highlighted:NO]; - } - } - } else if (state == MoveSelectedNodesState) { - if (leaderNode != nil) { - [self shiftNodesByMovingLeader:leaderNode to:pos]; - NSPoint shiftSoFar; - shiftSoFar.x = [leaderNode point].x - oldLeaderPos.x; - shiftSoFar.y = [leaderNode point].y - oldLeaderPos.y; - [[self doc] shiftNodesUpdate:shiftSoFar]; - } - } else if (state == DragEdgeControlPoint1 || state == DragEdgeControlPoint2) { - // invalidate once before we start changing it: we may be shrinking - // the control circles - [[self doc] modifyEdgeCheckPoint]; - if (state == DragEdgeControlPoint1) { - [modifyEdge moveCp1To:[transformer fromScreen:pos] - withWeightCourseness:0.1f - andBendCourseness:15 - forceLinkControlPoints:(mask & ControlMask)]; - } else { - [modifyEdge moveCp2To:[transformer fromScreen:pos] - withWeightCourseness:0.1f - andBendCourseness:15 - forceLinkControlPoints:(mask & ControlMask)]; - } - [[self doc] modifyEdgeCheckPoint]; - } -} - -- (void) mouseReleaseAt:(NSPoint)pos withButton:(MouseButton)button andMask:(InputMask)mask { - if (button != LeftButton) - return; - - if (state == SelectBoxState) { - PickSupport *ps = [[self doc] pickSupport]; - Transformer *transformer = [renderer transformer]; - - if (!(mask & unionSelectMask)) { - [ps deselectAllNodes]; - [ps deselectAllEdges]; - } - - Graph *graph = [[self doc] graph]; - if (dragSelectMode & DragSelectsNodes) { - for (Node *node in [graph nodes]) { - NSPoint nodePos = [transformer toScreen:[node point]]; - if (NSPointInRect(nodePos, selectionBox)) { - [ps selectNode:node]; - } - } - } - if (dragSelectMode & DragSelectsEdges) { - for (Edge *edge in [graph edges]) { - NSPoint edgePos = [transformer toScreen:[edge mid]]; - if (NSPointInRect(edgePos, selectionBox)) { - [ps selectEdge:edge]; - } - } - } - - [self clearSelectionBox]; - } else if (state == ToggleSelectState) { - [[[self doc] pickSupport] deselectNode:leaderNode]; - leaderNode = nil; - } else if (state == MoveSelectedNodesState) { - if (NSEqualPoints (oldLeaderPos, [leaderNode point])) { - [[self doc] cancelShiftNodes]; - } else { - [[self doc] endShiftNodes]; - } - leaderNode = nil; - } else if (state == DragEdgeControlPoint1 || state == DragEdgeControlPoint2) { - // FIXME: check if there was any real change - [[self doc] endModifyEdge]; - } -} - -- (void) mouseDoubleClickAt:(NSPoint)pos withButton:(MouseButton)button andMask:(InputMask)mask { - if (button != LeftButton) - return; - - if (state != QuietState) { - return; - } - // convert bend mode on edge under mouse cursor - Edge *edge = [renderer anyEdgeAt:pos withFuzz:edgeFuzz]; - if (edge != nil) { - [[self doc] startModifyEdge:edge]; - if ([edge bendMode]==EdgeBendModeBasic) { - [edge convertBendToAngles]; - [edge setBendMode:EdgeBendModeInOut]; - } else { - [edge setBendMode:EdgeBendModeBasic]; - } - [[self doc] endModifyEdge]; - - [self deselectAllEdges]; - [[[self doc] pickSupport] selectEdge:edge]; - } -} - -- (void) keyPressed:(unsigned int)keyVal withMask:(InputMask)mask { - if (keyVal == GDK_KEY_N && mask == ShiftMask) { - [self setDragSelectMode:DragSelectsNodes]; - } else if (keyVal == GDK_KEY_E && mask == ShiftMask) { - [self setDragSelectMode:DragSelectsEdges]; - } else if (keyVal == GDK_KEY_B && mask == ShiftMask) { - [self setDragSelectMode:DragSelectsBoth]; - } else if (keyVal == GDK_KEY_D && (!mask || mask == ShiftMask)) { - PickSupport *ps = [[self doc] pickSupport]; - for (Node* node in [ps selectedNodes]) { - NSRect b = [node boundingRect]; - NSLog(@"%@ @ (%f,%f) {style=%@, label=%@, data=%@, bounds=(%f,%f),(%fx%f)}", - [node name], - [node point].x, - [node point].y, - [[node style] name], - [node label], - [[node data] tikzList], - b.origin.x, b.origin.y, b.size.width, b.size.height); - } - for (Edge* edge in [ps selectedEdges]) { - NSRect b = [edge boundingRect]; - NSLog(@"%@:%@->%@:%@ {\n" - @" style=%@, data=%@,\n" - @" bend=%d, weight=%f, inAngle=%d, outAngle=%d, bendMode=%d,\n" - @" head=(%f,%f), headTan=(%f,%f) leftHeadNormal=(%f,%f), rightHeadNormal=(%f,%f),\n" - @" cp1=(%f,%f),\n" - @" mid=(%f,%f), midTan=(%f,%f), leftNormal=(%f,%f), rightNormal=(%f,%f)\n" - @" cp2=(%f,%f),\n" - @" tail=(%f,%f), tailTan=(%f,%f), leftTailNormal=(%f,%f), rightTailNormal=(%f,%f),\n" - @" isSelfLoop=%s, isStraight=%s,\n" - @" bounds=(%f,%f),(%fx%f)\n" - @"}", - [[edge source] name], - [edge sourceAnchor], - [[edge target] name], - [edge targetAnchor], - [[edge style] name], - [[edge data] tikzList], - [edge bend], - [edge weight], - [edge inAngle], - [edge outAngle], - [edge bendMode], - [edge head].x, - [edge head].y, - [edge headTan].x, - [edge headTan].y, - [edge leftHeadNormal].x, - [edge leftHeadNormal].y, - [edge rightHeadNormal].x, - [edge rightHeadNormal].y, - [edge cp1].x, - [edge cp1].y, - [edge mid].x, - [edge mid].y, - [edge midTan].x, - [edge midTan].y, - [edge leftNormal].x, - [edge leftNormal].y, - [edge rightNormal].x, - [edge rightNormal].y, - [edge cp2].x, - [edge cp2].y, - [edge tail].x, - [edge tail].y, - [edge tailTan].x, - [edge tailTan].y, - [edge leftTailNormal].x, - [edge leftTailNormal].y, - [edge rightTailNormal].x, - [edge rightTailNormal].y, - [edge isSelfLoop] ? "yes" : "no", - [edge isStraight] ? "yes" : "no", - b.origin.x, b.origin.y, b.size.width, b.size.height); - } - } -} - -- (void) renderWithContext:(id<RenderContext>)context onSurface:(id<Surface>)surface { - if (!NSIsEmptyRect (selectionBox)) { - [context saveState]; - - [context setAntialiasMode:AntialiasDisabled]; - [context setLineWidth:1.0]; - [context startPath]; - [context rect:selectionBox]; - RColor fColor = MakeRColor (0.8, 0.8, 0.8, 0.2); - RColor sColor = MakeSolidRColor (0.6, 0.6, 0.6); - [context strokePathWithColor:sColor andFillWithColor:fColor]; - - [context restoreState]; - } -} - -- (void) loadConfiguration:(Configuration*)config { - NSString *mode = [config stringEntry:@"Drag select mode" - inGroup:@"SelectTool"]; - if ([mode isEqualToString:@"nodes"]) { - [self setDragSelectMode:DragSelectsNodes]; - } else if ([mode isEqualToString:@"edges"]) { - [self setDragSelectMode:DragSelectsEdges]; - } else if ([mode isEqualToString:@"both"]) { - [self setDragSelectMode:DragSelectsBoth]; - } -} - -- (void) saveConfiguration:(Configuration*)config { - switch (dragSelectMode) { - case DragSelectsNodes: - [config setStringEntry:@"Drag select mode" - inGroup:@"SelectTool" - value:@"nodes"]; - break; - case DragSelectsEdges: - [config setStringEntry:@"Drag select mode" - inGroup:@"SelectTool" - value:@"edges"]; - break; - case DragSelectsBoth: - [config setStringEntry:@"Drag select mode" - inGroup:@"SelectTool" - value:@"both"]; - break; - } -} - -@end - -@implementation SelectTool (Private) -- (TikzDocument*) doc { - return [renderer document]; -} - -- (void) shiftNodesByMovingLeader:(Node*)leader to:(NSPoint)to { - Transformer *transformer = [renderer transformer]; - - NSPoint from = [transformer toScreen:[leader point]]; - //to = [[renderer grid] snapScreenPoint:to]; - float dx = to.x - from.x; - float dy = to.y - from.y; - - for (Node *node in [[[self doc] pickSupport] selectedNodes]) { - NSPoint p = [transformer toScreen:[node point]]; - p.x += dx; - p.y += dy; - p = [[renderer grid] snapScreenPoint:p]; - [node setPoint:[transformer fromScreen:p]]; - } -} - -- (void) deselectAllNodes { - [[[self doc] pickSupport] deselectAllNodes]; -} - -- (void) deselectAllEdges { - [[[self doc] pickSupport] deselectAllEdges]; -} - -- (void) deselectAll { - [[[self doc] pickSupport] deselectAllNodes]; - [[[self doc] pickSupport] deselectAllEdges]; -} - -- (BOOL) circleWithCenter:(NSPoint)c andRadius:(float)r containsPoint:(NSPoint)p { - return (NSDistanceBetweenPoints(c, p) <= r); -} - -- (void) lookForControlPointAt:(NSPoint)pos { - const float cpr = [Edge controlPointRadius]; - for (Edge *e in [[[self doc] pickSupport] selectedEdges]) { - NSPoint cp1 = [[renderer transformer] toScreen:[e cp1]]; - if ([self circleWithCenter:cp1 andRadius:cpr containsPoint:pos]) { - state = DragEdgeControlPoint1; - modifyEdge = e; - [[self doc] startModifyEdge:e]; - return; - } - NSPoint cp2 = [[renderer transformer] toScreen:[e cp2]]; - if ([self circleWithCenter:cp2 andRadius:cpr containsPoint:pos]) { - state = DragEdgeControlPoint2; - modifyEdge = e; - [[self doc] startModifyEdge:e]; - return; - } - } -} - -- (void) setSelectionBox:(NSRect)box { - NSRect invRect = NSUnionRect (selectionBox, box); - selectionBox = box; - [renderer invalidateRect:NSInsetRect (invRect, -2, -2)]; -} - -- (void) clearSelectionBox { - NSRect oldRect = selectionBox; - - NSRect emptyRect; - selectionBox = emptyRect; - - [renderer invalidateRect:NSInsetRect (oldRect, -2, -2)]; - [renderer clearHighlightedNodes]; -} - -- (BOOL) selectionBoxContainsNode:(Node*)node { - if (!NSIsEmptyRect (selectionBox)) - return NO; - - Transformer *transf = [[renderer surface] transformer]; - NSPoint screenPt = [transf toScreen:[node point]]; - return NSPointInRect(screenPt, selectionBox); -} -@end - -static void drag_select_mode_cb (GtkToggleButton *button, SelectTool *tool) { - if (gtk_toggle_button_get_active (button)) { - NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init]; - DragSelectMode buttonMode = - (DragSelectMode) g_object_get_data ( - G_OBJECT (button), - DRAG_SELECT_MODE_KEY); - [tool setDragSelectMode:buttonMode]; - [pool drain]; - } -} - -// vim:ft=objc:ts=8:et:sts=4:sw=4 |