1 /*
2 * Utility functions for switching tools (= contexts)
3 *
4 * Authors:
5 * bulia byak <bulia@dr.com>
6 *
7 * Copyright (C) 2003 authors
8 *
9 * Released under GNU GPL, read the file 'COPYING' for more information
10 */
13 #ifdef HAVE_CONFIG_H
14 # include "config.h"
15 #endif
17 #include "inkscape-private.h"
18 #include "desktop.h"
19 #include "desktop-handles.h"
20 #include <glibmm/i18n.h>
22 #include <xml/repr.h>
24 #include "select-context.h"
25 #include "node-context.h"
26 #include "sp-path.h"
27 #include "rect-context.h"
28 #include "sp-rect.h"
29 #include "arc-context.h"
30 #include "sp-ellipse.h"
31 #include "star-context.h"
32 #include "sp-star.h"
33 #include "spiral-context.h"
34 #include "sp-spiral.h"
35 #include "dyna-draw-context.h"
36 #include "pen-context.h"
37 #include "pencil-context.h"
38 #include "text-context.h"
39 #include "sp-text.h"
40 #include "sp-flowtext.h"
41 #include "gradient-context.h"
42 #include "zoom-context.h"
43 #include "dropper-context.h"
44 #include "connector-context.h"
45 #include "message-context.h"
47 #include "tools-switch.h"
49 static char const *const tool_names[] = {
50 NULL,
51 "tools.select",
52 "tools.nodes",
53 "tools.shapes.rect",
54 "tools.shapes.arc",
55 "tools.shapes.star",
56 "tools.shapes.spiral",
57 "tools.freehand.pencil",
58 "tools.freehand.pen",
59 "tools.calligraphic",
60 "tools.text",
61 "tools.gradient",
62 "tools.zoom",
63 "tools.dropper",
64 "tools.connector",
65 NULL
66 };
68 static char const *const tool_ids[] = {
69 NULL,
70 "select",
71 "nodes",
72 "rect",
73 "arc",
74 "star",
75 "spiral",
76 "pencil",
77 "pen",
78 "calligraphic",
79 "text",
80 "gradient",
81 "zoom",
82 "dropper",
83 "connector",
84 NULL
85 };
87 static int
88 tools_id2num(char const *id)
89 {
90 int i = 1;
91 while (tool_ids[i]) {
92 if (strcmp(tool_ids[i], id) == 0)
93 return i;
94 else i++;
95 }
96 g_assert( 0 == TOOLS_INVALID );
97 return 0; //nothing found
98 }
100 int
101 tools_isactive(SPDesktop *dt, unsigned num)
102 {
103 g_assert( num < G_N_ELEMENTS(tool_ids) );
104 if (SP_IS_EVENT_CONTEXT(dt->event_context))
105 return (!strcmp(dt->event_context->prefs_repr->attribute("id"), tool_ids[num]));
106 else return FALSE;
107 }
109 int
110 tools_active(SPDesktop *dt)
111 {
112 return (tools_id2num(dt->event_context->prefs_repr->attribute("id")));
113 }
115 void
116 tools_switch(SPDesktop *dt, int num)
117 {
118 if (dt) {
119 dt->_tool_changed.emit(num);
120 }
122 switch (num) {
123 case TOOLS_SELECT:
124 dt->set_event_context(SP_TYPE_SELECT_CONTEXT, tool_names[num]);
125 /* fixme: This is really ugly hack. We should bind and unbind class methods */
126 dt->activate_guides(true);
127 inkscape_eventcontext_set(SP_DT_EVENTCONTEXT(dt));
128 break;
129 case TOOLS_NODES:
130 dt->set_event_context(SP_TYPE_NODE_CONTEXT, tool_names[num]);
131 dt->activate_guides(true);
132 inkscape_eventcontext_set(SP_DT_EVENTCONTEXT(dt));
133 dt->tipsMessageContext()->set(Inkscape::NORMAL_MESSAGE, _("To edit a path, <b>click</b>, <b>Shift+click</b>, or <b>drag around</b> nodes to select them, then <b>drag</b> nodes and handles. <b>Click</b> on an object to select."));
134 break;
135 case TOOLS_SHAPES_RECT:
136 dt->set_event_context(SP_TYPE_RECT_CONTEXT, tool_names[num]);
137 dt->activate_guides(false);
138 inkscape_eventcontext_set(SP_DT_EVENTCONTEXT(dt));
139 dt->tipsMessageContext()->set(Inkscape::NORMAL_MESSAGE, _("<b>Drag</b> to create a rectangle. <b>Drag controls</b> to round corners and resize. <b>Click</b> to select."));
140 break;
141 case TOOLS_SHAPES_ARC:
142 dt->set_event_context(SP_TYPE_ARC_CONTEXT, tool_names[num]);
143 dt->activate_guides(false);
144 inkscape_eventcontext_set(SP_DT_EVENTCONTEXT(dt));
145 dt->tipsMessageContext()->set(Inkscape::NORMAL_MESSAGE, _("<b>Drag</b> to create an ellipse. <b>Drag controls</b> to make an arc or segment. <b>Click</b> to select."));
146 break;
147 case TOOLS_SHAPES_STAR:
148 dt->set_event_context(SP_TYPE_STAR_CONTEXT, tool_names[num]);
149 dt->activate_guides(false);
150 inkscape_eventcontext_set(SP_DT_EVENTCONTEXT(dt));
151 dt->tipsMessageContext()->set(Inkscape::NORMAL_MESSAGE, _("<b>Drag</b> to create a star. <b>Drag controls</b> to edit the star shape. <b>Click</b> to select."));
152 break;
153 case TOOLS_SHAPES_SPIRAL:
154 dt->set_event_context(SP_TYPE_SPIRAL_CONTEXT, tool_names[num]);
155 dt->activate_guides(false);
156 inkscape_eventcontext_set(SP_DT_EVENTCONTEXT(dt));
157 dt->tipsMessageContext()->set(Inkscape::NORMAL_MESSAGE, _("<b>Drag</b> to create a spiral. <b>Drag controls</b> to edit the spiral shape. <b>Click</b> to select."));
158 break;
159 case TOOLS_FREEHAND_PENCIL:
160 dt->set_event_context(SP_TYPE_PENCIL_CONTEXT, tool_names[num]);
161 dt->activate_guides(false);
162 inkscape_eventcontext_set(SP_DT_EVENTCONTEXT(dt));
163 dt->tipsMessageContext()->set(Inkscape::NORMAL_MESSAGE, _("<b>Drag</b> to create a freehand line. Start drawing with <b>Shift</b> to append to selected path."));
164 break;
165 case TOOLS_FREEHAND_PEN:
166 dt->set_event_context(SP_TYPE_PEN_CONTEXT, tool_names[num]);
167 dt->activate_guides(false);
168 inkscape_eventcontext_set(SP_DT_EVENTCONTEXT(dt));
169 dt->tipsMessageContext()->set(Inkscape::NORMAL_MESSAGE, _("<b>Click</b> or <b>click and drag</b> to start a path; with <b>Shift</b> to append to selected path."));
170 break;
171 case TOOLS_CALLIGRAPHIC:
172 dt->set_event_context(SP_TYPE_DYNA_DRAW_CONTEXT, tool_names[num]);
173 dt->activate_guides(false);
174 inkscape_eventcontext_set(SP_DT_EVENTCONTEXT(dt));
175 dt->tipsMessageContext()->set(Inkscape::NORMAL_MESSAGE, _("<b>Drag</b> to paint a calligraphic stroke. <b>Left</b>/<b>right</b> arrow keys adjust width, <b>up</b>/<b>down</b> adjust angle."));
176 break;
177 case TOOLS_TEXT:
178 dt->set_event_context(SP_TYPE_TEXT_CONTEXT, tool_names[num]);
179 dt->activate_guides(false);
180 inkscape_eventcontext_set(SP_DT_EVENTCONTEXT(dt));
181 dt->tipsMessageContext()->set(Inkscape::NORMAL_MESSAGE, _("<b>Click</b> to select or create text, <b>drag</b> to create flowed text; then type."));
182 break;
183 case TOOLS_GRADIENT:
184 dt->set_event_context(SP_TYPE_GRADIENT_CONTEXT, tool_names[num]);
185 dt->activate_guides(false);
186 inkscape_eventcontext_set(SP_DT_EVENTCONTEXT(dt));
187 dt->tipsMessageContext()->set(Inkscape::NORMAL_MESSAGE, _("<b>Drag</b> or <b>double click</b> to create a gradient on selected objects, <b>drag handles</b> to adjust gradients."));
188 break;
189 case TOOLS_ZOOM:
190 dt->set_event_context(SP_TYPE_ZOOM_CONTEXT, tool_names[num]);
191 dt->activate_guides(false);
192 inkscape_eventcontext_set(SP_DT_EVENTCONTEXT(dt));
193 dt->tipsMessageContext()->set(Inkscape::NORMAL_MESSAGE, _("<b>Click</b> or <b>drag around an area</b> to zoom in, <b>Shift+click</b> to zoom out."));
194 break;
195 case TOOLS_DROPPER:
196 dt->set_event_context(SP_TYPE_DROPPER_CONTEXT, tool_names[num]);
197 dt->activate_guides(false);
198 inkscape_eventcontext_set(SP_DT_EVENTCONTEXT(dt));
199 dt->tipsMessageContext()->set(Inkscape::NORMAL_MESSAGE, _("<b>Click</b> to set fill, <b>Shift+click</b> to set stroke; <b>drag</b> to average color in area; with <b>Alt</b> to pick inverse color; <b>Ctrl+C</b> to copy the color under mouse to clipboard"));
200 break;
201 case TOOLS_CONNECTOR:
202 dt->set_event_context(SP_TYPE_CONNECTOR_CONTEXT, tool_names[num]);
203 dt->activate_guides(false);
204 inkscape_eventcontext_set(SP_DT_EVENTCONTEXT(dt));
205 dt->tipsMessageContext()->set(Inkscape::NORMAL_MESSAGE, _("<b>Click and drag</b> between shapes to create a connector."));
206 break;
207 }
208 }
210 void
211 tools_switch_current(int num)
212 {
213 SPDesktop *dt = SP_ACTIVE_DESKTOP;
214 if (dt) tools_switch(dt, num);
215 }
217 void tools_switch_by_item(SPDesktop *dt, SPItem *item)
218 {
219 if (SP_IS_RECT(item)) {
220 tools_switch(dt, TOOLS_SHAPES_RECT);
221 } else if (SP_IS_GENERICELLIPSE(item)) {
222 tools_switch(dt, TOOLS_SHAPES_ARC);
223 } else if (SP_IS_STAR(item)) {
224 tools_switch(dt, TOOLS_SHAPES_STAR);
225 } else if (SP_IS_SPIRAL(item)) {
226 tools_switch(dt, TOOLS_SHAPES_SPIRAL);
227 } else if (SP_IS_PATH(item)) {
228 if (cc_item_is_connector(item)) {
229 tools_switch(dt, TOOLS_CONNECTOR);
230 }
231 else {
232 tools_switch(dt, TOOLS_NODES);
233 }
234 } else if (SP_IS_TEXT(item) || SP_IS_FLOWTEXT(item)) {
235 tools_switch(dt, TOOLS_TEXT);
236 }
237 }
239 /*
240 Local Variables:
241 mode:c++
242 c-file-style:"stroustrup"
243 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
244 indent-tabs-mode:nil
245 fill-column:99
246 End:
247 */
248 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :