1 /*
2 * Utility functions for switching tools (= contexts)
3 *
4 * Authors:
5 * bulia byak <buliabyak@users.sf.net>
6 * Josh Andler <scislac@users.sf.net>
7 *
8 * Copyright (C) 2003-2007 authors
9 *
10 * Released under GNU GPL, read the file 'COPYING' for more information
11 */
14 #ifdef HAVE_CONFIG_H
15 # include "config.h"
16 #endif
18 #include <cstring>
19 #include <string>
21 #include "inkscape-private.h"
22 #include "desktop.h"
23 #include "desktop-handles.h"
24 #include <glibmm/i18n.h>
26 #include <xml/repr.h>
28 #include "select-context.h"
29 #include "node-context.h"
30 #include "tweak-context.h"
31 #include "sp-path.h"
32 #include "rect-context.h"
33 #include "sp-rect.h"
34 #include "box3d-context.h"
35 #include "box3d.h"
36 #include "arc-context.h"
37 #include "sp-ellipse.h"
38 #include "star-context.h"
39 #include "sp-star.h"
40 #include "spiral-context.h"
41 #include "sp-spiral.h"
42 #include "dyna-draw-context.h"
43 #include "pen-context.h"
44 #include "pencil-context.h"
45 #include "text-context.h"
46 #include "sp-text.h"
47 #include "sp-flowtext.h"
48 #include "gradient-context.h"
49 #include "zoom-context.h"
50 #include "dropper-context.h"
51 #include "connector-context.h"
52 #include "flood-context.h"
53 #include "sp-offset.h"
54 #include "message-context.h"
56 #include "tools-switch.h"
58 static char const *const tool_names[] = {
59 NULL,
60 "tools.select",
61 "tools.nodes",
62 "tools.tweak",
63 "tools.shapes.rect",
64 "tools.shapes.3dbox",
65 "tools.shapes.arc",
66 "tools.shapes.star",
67 "tools.shapes.spiral",
68 "tools.freehand.pencil",
69 "tools.freehand.pen",
70 "tools.calligraphic",
71 "tools.text",
72 "tools.gradient",
73 "tools.zoom",
74 "tools.dropper",
75 "tools.connector",
76 "tools.paintbucket",
77 NULL
78 };
80 static char const *const tool_ids[] = {
81 NULL,
82 "select",
83 "nodes",
84 "tweak",
85 "rect",
86 "3dbox",
87 "arc",
88 "star",
89 "spiral",
90 "pencil",
91 "pen",
92 "calligraphic",
93 "text",
94 "gradient",
95 "zoom",
96 "dropper",
97 "connector",
98 "paintbucket",
99 NULL
100 };
102 static int
103 tools_id2num(char const *id)
104 {
105 int i = 1;
106 while (tool_ids[i]) {
107 if (strcmp(tool_ids[i], id) == 0)
108 return i;
109 else i++;
110 }
111 g_assert( 0 == TOOLS_INVALID );
112 return 0; //nothing found
113 }
115 int
116 tools_isactive(SPDesktop *dt, unsigned num)
117 {
118 g_assert( num < G_N_ELEMENTS(tool_ids) );
119 if (SP_IS_EVENT_CONTEXT(dt->event_context))
120 return (!strcmp(dt->event_context->prefs_repr->attribute("id"), tool_ids[num]));
121 else return FALSE;
122 }
124 int
125 tools_active(SPDesktop *dt)
126 {
127 return (tools_id2num(dt->event_context->prefs_repr->attribute("id")));
128 }
130 void
131 tools_switch(SPDesktop *dt, int num)
132 {
133 if (dt) {
134 dt->_tool_changed.emit(num);
135 }
137 switch (num) {
138 case TOOLS_SELECT:
139 dt->set_event_context(SP_TYPE_SELECT_CONTEXT, tool_names[num]);
140 /* fixme: This is really ugly hack. We should bind and unbind class methods */
141 dt->activate_guides(true);
142 inkscape_eventcontext_set(sp_desktop_event_context(dt));
143 break;
144 case TOOLS_NODES:
145 dt->set_event_context(SP_TYPE_NODE_CONTEXT, tool_names[num]);
146 dt->activate_guides(true);
147 inkscape_eventcontext_set(sp_desktop_event_context(dt));
148 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."));
149 break;
150 case TOOLS_TWEAK:
151 dt->set_event_context(SP_TYPE_TWEAK_CONTEXT, tool_names[num]);
152 dt->activate_guides(true);
153 inkscape_eventcontext_set(sp_desktop_event_context(dt));
154 dt->tipsMessageContext()->set(Inkscape::NORMAL_MESSAGE, _("To tweak a path by pushing, select it and drag over it."));
155 break;
156 case TOOLS_SHAPES_RECT:
157 dt->set_event_context(SP_TYPE_RECT_CONTEXT, tool_names[num]);
158 dt->activate_guides(false);
159 inkscape_eventcontext_set(sp_desktop_event_context(dt));
160 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."));
161 break;
162 case TOOLS_SHAPES_3DBOX:
163 dt->set_event_context(SP_TYPE_BOX3D_CONTEXT, tool_names[num]);
164 dt->activate_guides(false);
165 inkscape_eventcontext_set(sp_desktop_event_context(dt));
166 dt->tipsMessageContext()->set(Inkscape::NORMAL_MESSAGE, _("<b>Drag</b> to create a 3D box. <b>Drag controls</b> to resize in perspective. <b>Click</b> to select (with <b>Ctrl+Alt</b> for single faces)."));
167 break;
168 case TOOLS_SHAPES_ARC:
169 dt->set_event_context(SP_TYPE_ARC_CONTEXT, tool_names[num]);
170 dt->activate_guides(false);
171 inkscape_eventcontext_set(sp_desktop_event_context(dt));
172 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."));
173 break;
174 case TOOLS_SHAPES_STAR:
175 dt->set_event_context(SP_TYPE_STAR_CONTEXT, tool_names[num]);
176 dt->activate_guides(false);
177 inkscape_eventcontext_set(sp_desktop_event_context(dt));
178 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."));
179 break;
180 case TOOLS_SHAPES_SPIRAL:
181 dt->set_event_context(SP_TYPE_SPIRAL_CONTEXT, tool_names[num]);
182 dt->activate_guides(false);
183 inkscape_eventcontext_set(sp_desktop_event_context(dt));
184 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."));
185 break;
186 case TOOLS_FREEHAND_PENCIL:
187 dt->set_event_context(SP_TYPE_PENCIL_CONTEXT, tool_names[num]);
188 dt->activate_guides(false);
189 inkscape_eventcontext_set(sp_desktop_event_context(dt));
190 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. <b>Ctrl+click</b> to create single dots."));
191 break;
192 case TOOLS_FREEHAND_PEN:
193 dt->set_event_context(SP_TYPE_PEN_CONTEXT, tool_names[num]);
194 dt->activate_guides(false);
195 inkscape_eventcontext_set(sp_desktop_event_context(dt));
196 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. <b>Ctrl+click</b> to create single dots."));
197 break;
198 case TOOLS_CALLIGRAPHIC:
199 dt->set_event_context(SP_TYPE_DYNA_DRAW_CONTEXT, tool_names[num]);
200 dt->activate_guides(false);
201 inkscape_eventcontext_set(sp_desktop_event_context(dt));
202 dt->tipsMessageContext()->set(Inkscape::NORMAL_MESSAGE, _("<b>Drag</b> to draw a calligraphic stroke; with <b>Ctrl</b> to track a guide, with <b>Alt</b> to thin/thicken. <b>Arrow keys</b> adjust width (left/right) and angle (up/down)."));
203 break;
204 case TOOLS_TEXT:
205 dt->set_event_context(SP_TYPE_TEXT_CONTEXT, tool_names[num]);
206 dt->activate_guides(false);
207 inkscape_eventcontext_set(sp_desktop_event_context(dt));
208 dt->tipsMessageContext()->set(Inkscape::NORMAL_MESSAGE, _("<b>Click</b> to select or create text, <b>drag</b> to create flowed text; then type."));
209 break;
210 case TOOLS_GRADIENT:
211 dt->set_event_context(SP_TYPE_GRADIENT_CONTEXT, tool_names[num]);
212 dt->activate_guides(false);
213 inkscape_eventcontext_set(sp_desktop_event_context(dt));
214 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."));
215 break;
216 case TOOLS_ZOOM:
217 dt->set_event_context(SP_TYPE_ZOOM_CONTEXT, tool_names[num]);
218 dt->activate_guides(false);
219 inkscape_eventcontext_set(sp_desktop_event_context(dt));
220 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."));
221 break;
222 case TOOLS_DROPPER:
223 dt->set_event_context(SP_TYPE_DROPPER_CONTEXT, tool_names[num]);
224 dt->activate_guides(false);
225 inkscape_eventcontext_set(sp_desktop_event_context(dt));
226 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"));
227 break;
228 case TOOLS_CONNECTOR:
229 dt->set_event_context(SP_TYPE_CONNECTOR_CONTEXT, tool_names[num]);
230 dt->activate_guides(false);
231 inkscape_eventcontext_set(sp_desktop_event_context(dt));
232 dt->tipsMessageContext()->set(Inkscape::NORMAL_MESSAGE, _("<b>Click and drag</b> between shapes to create a connector."));
233 break;
234 case TOOLS_PAINTBUCKET:
235 dt->set_event_context(SP_TYPE_FLOOD_CONTEXT, tool_names[num]);
236 dt->activate_guides(false);
237 inkscape_eventcontext_set(sp_desktop_event_context(dt));
238 dt->tipsMessageContext()->set(Inkscape::NORMAL_MESSAGE, _("<b>Click</b> to paint a bounded area, <b>Shift+click</b> to union the new fill with the current selection, <b>Ctrl+click</b> to change the clicked object's fill and stroke to the current setting."));
239 break;
240 }
241 }
243 void
244 tools_switch_current(int num)
245 {
246 SPDesktop *dt = SP_ACTIVE_DESKTOP;
247 if (dt) tools_switch(dt, num);
248 }
250 void tools_switch_by_item(SPDesktop *dt, SPItem *item)
251 {
252 if (SP_IS_RECT(item)) {
253 tools_switch(dt, TOOLS_SHAPES_RECT);
254 } else if (SP_IS_BOX3D(item)) {
255 tools_switch(dt, TOOLS_SHAPES_3DBOX);
256 } else if (SP_IS_GENERICELLIPSE(item)) {
257 tools_switch(dt, TOOLS_SHAPES_ARC);
258 } else if (SP_IS_STAR(item)) {
259 tools_switch(dt, TOOLS_SHAPES_STAR);
260 } else if (SP_IS_SPIRAL(item)) {
261 tools_switch(dt, TOOLS_SHAPES_SPIRAL);
262 } else if (SP_IS_PATH(item)) {
263 if (cc_item_is_connector(item)) {
264 tools_switch(dt, TOOLS_CONNECTOR);
265 }
266 else {
267 tools_switch(dt, TOOLS_NODES);
268 }
269 } else if (SP_IS_TEXT(item) || SP_IS_FLOWTEXT(item)) {
270 tools_switch(dt, TOOLS_TEXT);
271 } else if (SP_IS_OFFSET(item)) {
272 tools_switch(dt, TOOLS_NODES);
273 }
274 }
276 /*
277 Local Variables:
278 mode:c++
279 c-file-style:"stroustrup"
280 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
281 indent-tabs-mode:nil
282 fill-column:99
283 End:
284 */
285 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :