lyx_mirror/src/frontends/xforms/FormParagraph.C
Lars Gullik Bjønnes 99d1627a47 dont use pragma impementation and interface anymore
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@6138 a592a061-630c-0410-9148-cb99ea01b6c8
2003-02-13 16:53:15 +00:00

560 lines
16 KiB
C

/**
* \file FormParagraph.C
* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
* \author Jürgen Vigna
* \author Rob Lahaye
*
* Full author contact details are available in file CREDITS
*/
#include <config.h>
#include "ControlParagraph.h"
#include "FormParagraph.h"
#include "forms/form_paragraph.h"
#include "Tooltips.h"
#include "ParagraphParameters.h"
#include "xforms_helpers.h"
#include "lyxrc.h" // to set the deafult length values
#include "input_validators.h"
#include "helper_funcs.h"
#include "checkedwidgets.h"
#include "gettext.h"
#include "xformsBC.h"
#include "layout.h" // LyXAlignment
#include "support/lstrings.h"
#include "support/LAssert.h"
#include FORMS_H_LOCATION
#include <functional>
using std::vector;
using std::bind2nd;
using std::remove_if;
namespace
{
string defaultUnit("cm");
void validateVSpaceWidgets(FL_OBJECT * choice_type, FL_OBJECT * input_length);
VSpace const setVSpaceFromWidgets(FL_OBJECT * choice_type,
FL_OBJECT * input_length,
FL_OBJECT * choice_length,
FL_OBJECT * check_keep);
void setWidgetsFromVSpace(VSpace const & space,
FL_OBJECT * choice_type,
FL_OBJECT * input_length,
FL_OBJECT * choice_length,
FL_OBJECT * check_keep);
} // namespace anon
typedef FormCB<ControlParagraph, FormDB<FD_paragraph> > base_class;
FormParagraph::FormParagraph()
: base_class(_("Paragraph Layout"))
{}
void FormParagraph::build()
{
// the tabbed folder
dialog_.reset(build_paragraph(this));
// Manage the ok, apply, restore and cancel/close buttons
bc().setOK(dialog_->button_ok);
bc().setApply(dialog_->button_apply);
bc().setCancel(dialog_->button_close);
bc().setRestore(dialog_->button_restore);
// disable for read-only documents
bc().addReadOnly(dialog_->check_line_above);
bc().addReadOnly(dialog_->check_pagebreak_above);
bc().addReadOnly(dialog_->choice_space_above);
bc().addReadOnly(dialog_->input_space_above);
bc().addReadOnly(dialog_->check_space_above);
bc().addReadOnly(dialog_->check_noindent);
bc().addReadOnly(dialog_->choice_linespacing);
bc().addReadOnly(dialog_->input_linespacing);
bc().addReadOnly(dialog_->check_line_below);
bc().addReadOnly(dialog_->check_pagebreak_below);
bc().addReadOnly(dialog_->choice_space_below);
bc().addReadOnly(dialog_->input_space_below);
bc().addReadOnly(dialog_->check_space_below);
bc().addReadOnly(dialog_->input_labelwidth);
// check validity of "length + unit" input
addCheckedGlueLength(bc(),
dialog_->input_space_above,
dialog_->choice_space_above);
addCheckedGlueLength(bc(),
dialog_->input_space_below,
dialog_->choice_space_below);
// trigger an input event for cut&paste with middle mouse button.
setPrehandler(dialog_->input_space_above);
setPrehandler(dialog_->input_space_below);
setPrehandler(dialog_->input_linespacing);
setPrehandler(dialog_->input_labelwidth);
fl_set_input_return(dialog_->input_space_above, FL_RETURN_CHANGED);
fl_set_input_return(dialog_->input_space_below, FL_RETURN_CHANGED);
fl_set_input_return(dialog_->input_labelwidth, FL_RETURN_CHANGED);
fl_set_input_return(dialog_->input_linespacing, FL_RETURN_CHANGED);
// limit these inputs to unsigned floats
fl_set_input_filter(dialog_->input_linespacing, fl_unsigned_float_filter);
// add alignment radio buttons
alignment_.init(dialog_->radio_align_left, LYX_ALIGN_LEFT);
alignment_.init(dialog_->radio_align_right, LYX_ALIGN_RIGHT);
alignment_.init(dialog_->radio_align_block, LYX_ALIGN_BLOCK);
alignment_.init(dialog_->radio_align_center, LYX_ALIGN_CENTER);
string const parspacing = _("None|DefSkip|SmallSkip|MedSkip|BigSkip|VFill|Length");
fl_addto_choice(dialog_->choice_space_above, parspacing.c_str());
fl_addto_choice(dialog_->choice_space_below, parspacing.c_str());
string const linespacing = _("Default|Single|OneHalf|Double|Custom");
fl_addto_choice(dialog_->choice_linespacing, linespacing.c_str());
// Create the contents of the unit choices; don't include the "%" terms.
vector<string> units_vec = getLatexUnits();
vector<string>::iterator del =
remove_if(units_vec.begin(), units_vec.end(),
bind2nd(contains_functor(), "%"));
units_vec.erase(del, units_vec.end());
string const units = getStringFromVector(units_vec, "|");
fl_addto_choice(dialog_->choice_unit_space_above, units.c_str());
fl_addto_choice(dialog_->choice_unit_space_below, units.c_str());
// set up the tooltips
string str = _("Add a separator line above this paragraph.");
tooltips().init(dialog_->check_line_above, str);
str = _("Enforce a page break above this paragraph.");
tooltips().init(dialog_->check_pagebreak_above, str);
str = _("Add additional space above this paragraph.");
tooltips().init(dialog_->choice_space_above, str);
str = _("Never suppress space (e.g. at top of page or new page).");
tooltips().init(dialog_->check_space_above, str);
str = _("Add a separator line below this paragraph.");
tooltips().init(dialog_->check_line_below, str);
str = _("Enforce a page break below this paragraph.");
tooltips().init(dialog_->check_pagebreak_below, str);
str = _("Add additional space below this paragraph.");
tooltips().init(dialog_->choice_space_below, str);
str = _("Never suppress space (e.g. at bottom of page or new page).");
tooltips().init(dialog_->check_space_below, str);
// set default unit for custom length
switch (lyxrc.default_papersize) {
case BufferParams::PAPER_DEFAULT:
case BufferParams::PAPER_USLETTER:
case BufferParams::PAPER_LEGALPAPER:
case BufferParams::PAPER_EXECUTIVEPAPER:
defaultUnit = "in";
break;
case BufferParams::PAPER_A3PAPER:
case BufferParams::PAPER_A4PAPER:
case BufferParams::PAPER_A5PAPER:
case BufferParams::PAPER_B5PAPER:
defaultUnit = "cm";
break;
}
}
void FormParagraph::apply()
{
if (!form()) return;
// spacing
// If a vspace choice is "Length" but there's no text in
// the input field, reset the choice to "None".
validateVSpaceWidgets(dialog_->choice_space_above,
dialog_->input_space_above);
VSpace const space_above =
setVSpaceFromWidgets(dialog_->choice_space_above,
dialog_->input_space_above,
dialog_->choice_unit_space_above,
dialog_->check_space_above);
controller().params().spaceTop(space_above);
validateVSpaceWidgets(dialog_->choice_space_below,
dialog_->input_space_below);
VSpace const space_below =
setVSpaceFromWidgets(dialog_->choice_space_below,
dialog_->input_space_below,
dialog_->choice_unit_space_below,
dialog_->check_space_below);
controller().params().spaceBottom(space_below);
// lines and pagebreaks
bool const line_above = fl_get_button(dialog_->check_line_above);
controller().params().lineTop(line_above);
bool const line_below = fl_get_button(dialog_->check_line_below);
controller().params().lineBottom(line_below);
bool const pagebreak_above =
fl_get_button(dialog_->check_pagebreak_above);
controller().params().pagebreakTop(pagebreak_above);
bool const pagebreak_below =
fl_get_button(dialog_->check_pagebreak_below);
controller().params().pagebreakBottom(pagebreak_below);
// alignment
LyXAlignment const alignment =
static_cast<LyXAlignment>(alignment_.get());
controller().params().align(alignment);
// label width
string const labelwidthstring =
getString(dialog_->input_labelwidth);
controller().params().labelWidthString(labelwidthstring);
// indendation
bool const noindent = fl_get_button(dialog_->check_noindent);
controller().params().noindent(noindent);
// get spacing
Spacing::Space linespacing = Spacing::Default;
string other;
switch (fl_get_choice(dialog_->choice_linespacing)) {
case 1:
linespacing = Spacing::Default;
break;
case 2:
linespacing = Spacing::Single;
break;
case 3:
linespacing = Spacing::Onehalf;
break;
case 4:
linespacing = Spacing::Double;
break;
case 5:
// reset to default if input is empty
other = getString(dialog_->input_linespacing);
if (!other.empty()) {
linespacing = Spacing::Other;
} else {
linespacing = Spacing::Default;
fl_set_choice(dialog_->choice_linespacing, 1);
}
break;
}
Spacing const spacing(linespacing, other);
controller().params().spacing(spacing);
}
void FormParagraph::update()
{
if (!dialog_.get())
return;
// label width
string const labelwidth = controller().params().labelWidthString();
fl_set_input(dialog_->input_labelwidth, labelwidth.c_str());
setEnabled(dialog_->input_labelwidth,
labelwidth != _("Senseless with this layout!"));
// alignment
alignment_.set(controller().params().align());
// mark default alignment
LyXAlignment const default_alignment = controller().alignDefault();
string label = _("Block");
if (default_alignment == LYX_ALIGN_BLOCK) {
label += _(" (default)");
}
fl_set_object_label(dialog_->radio_align_block, label.c_str());
fl_set_button_shortcut(dialog_->radio_align_block, "#B", 1);
label = _("Center");
if (default_alignment == LYX_ALIGN_CENTER) {
label += _(" (default)");
}
fl_set_object_label(dialog_->radio_align_center, label.c_str());
fl_set_button_shortcut(dialog_->radio_align_center, "#C", 1);
label = _("Left");
if (default_alignment == LYX_ALIGN_LEFT) {
label += _(" (default)");
}
fl_set_object_label(dialog_->radio_align_left, label.c_str());
fl_set_button_shortcut(dialog_->radio_align_left, "#L", 1);
label = _("Right");
if (default_alignment == LYX_ALIGN_RIGHT) {
label = _(" (default)");
}
fl_set_object_label(dialog_->radio_align_right, label.c_str());
fl_set_button_shortcut(dialog_->radio_align_right, "#R", 1);
// Ensure that there's no crud left on the screen from this change
// of labels.
fl_redraw_form(form());
LyXAlignment alignpos = controller().alignPossible();
setEnabled(dialog_->radio_align_block,
bool(alignpos & LYX_ALIGN_BLOCK));
setEnabled(dialog_->radio_align_center,
bool(alignpos & LYX_ALIGN_CENTER));
setEnabled(dialog_->radio_align_left,
bool(alignpos & LYX_ALIGN_LEFT));
setEnabled(dialog_->radio_align_right,
bool(alignpos & LYX_ALIGN_RIGHT));
// no inset-text-owned paragraph may have pagebreaks
bool ininset = controller().inInset();
setEnabled(dialog_->check_pagebreak_above, !ininset);
setEnabled(dialog_->check_pagebreak_below, !ininset);
// lines, pagebreaks and indent
fl_set_button(dialog_->check_line_above,
controller().params().lineTop());
fl_set_button(dialog_->check_line_below,
controller().params().lineBottom());
fl_set_button(dialog_->check_pagebreak_above,
controller().params().pagebreakTop());
fl_set_button(dialog_->check_pagebreak_below,
controller().params().pagebreakBottom());
fl_set_button(dialog_->check_noindent,
controller().params().noindent());
// linespacing
Spacing const space = controller().params().spacing();
int pos;
switch (space.getSpace()) {
case Spacing::Other:
pos = 5;
break;
case Spacing::Double:
pos = 4;
break;
case Spacing::Onehalf:
pos = 3;
break;
case Spacing::Single:
pos = 2;
break;
case Spacing::Default:
default:
pos = 1;
break;
}
fl_set_choice(dialog_->choice_linespacing, pos);
bool const spacing_other = space.getSpace() == Spacing::Other;
setEnabled(dialog_->input_linespacing, spacing_other);
if (spacing_other) {
string const sp = tostr(space.getValue());
fl_set_input(dialog_->input_linespacing, sp.c_str());
} else {
fl_set_input(dialog_->input_linespacing, "");
}
// vspace top
setWidgetsFromVSpace(controller().params().spaceTop(),
dialog_->choice_space_above,
dialog_->input_space_above,
dialog_->choice_unit_space_above,
dialog_->check_space_above);
// vspace bottom
setWidgetsFromVSpace(controller().params().spaceBottom(),
dialog_->choice_space_below,
dialog_->input_space_below,
dialog_->choice_unit_space_below,
dialog_->check_space_below);
// no indent
fl_set_button(dialog_->check_noindent,
controller().params().noindent());
}
ButtonPolicy::SMInput FormParagraph::input(FL_OBJECT * ob, long)
{
// Enable input when custum length is choosen,
// disable 'keep' when no space is choosen
if (ob == dialog_->choice_space_above) {
bool const custom_length =
fl_get_choice(dialog_->choice_space_above) == 7;
setEnabled(dialog_->input_space_above, custom_length);
setEnabled(dialog_->choice_unit_space_above, custom_length);
bool const space =
fl_get_choice(dialog_->choice_space_above) != 1;
setEnabled(dialog_->check_space_above, space);
} else if (ob == dialog_->choice_space_below) {
bool const custom_length =
fl_get_choice(dialog_->choice_space_below) == 7;
setEnabled(dialog_->input_space_below, custom_length);
setEnabled(dialog_->choice_unit_space_below, custom_length);
bool const space =
fl_get_choice(dialog_->choice_space_below) != 1;
setEnabled(dialog_->check_space_below, space);
} else if (ob == dialog_->choice_linespacing) {
bool const custom_spacing =
fl_get_choice(dialog_->choice_linespacing) == 5;
setEnabled(dialog_->input_linespacing, custom_spacing);
}
return ButtonPolicy::SMI_VALID;
}
namespace {
void validateVSpaceWidgets(FL_OBJECT * choice_type, FL_OBJECT * input_length)
{
// Paranoia check!
lyx::Assert(choice_type && choice_type->objclass == FL_CHOICE &&
input_length && input_length->objclass == FL_INPUT);
if (fl_get_choice(choice_type) != 7)
return;
// If a vspace kind is "Length" but there's no text in
// the input field, reset the kind to "None".
string const input = rtrim(getString(input_length));
if (input.empty())
fl_set_choice(choice_type, 1);
}
VSpace const setVSpaceFromWidgets(FL_OBJECT * choice_type,
FL_OBJECT * input_length,
FL_OBJECT * choice_length,
FL_OBJECT * check_keep)
{
// Paranoia check!
lyx::Assert(choice_type && choice_type->objclass == FL_CHOICE &&
input_length && input_length->objclass == FL_INPUT &&
choice_length && choice_length->objclass == FL_CHOICE &&
check_keep && check_keep->objclass == FL_CHECKBUTTON);
VSpace space;
switch (fl_get_choice(choice_type)) {
case 1:
space = VSpace(VSpace::NONE);
break;
case 2:
space = VSpace(VSpace::DEFSKIP);
break;
case 3:
space = VSpace(VSpace::SMALLSKIP);
break;
case 4:
space = VSpace(VSpace::MEDSKIP);
break;
case 5:
space = VSpace(VSpace::BIGSKIP);
break;
case 6:
space = VSpace(VSpace::VFILL);
break;
case 7:
{
string const length =
getLengthFromWidgets(input_length, choice_length);
space = VSpace(LyXGlueLength(length));
break;
}
}
if (fl_get_button(check_keep))
space.setKeep(true);
return space;
}
void setWidgetsFromVSpace(VSpace const & space,
FL_OBJECT * choice_type,
FL_OBJECT * input_length,
FL_OBJECT * choice_length,
FL_OBJECT * check_keep)
{
// Paranoia check!
lyx::Assert(choice_type && choice_type->objclass == FL_CHOICE &&
input_length && input_length->objclass == FL_INPUT &&
choice_length && choice_length->objclass == FL_CHOICE &&
check_keep && check_keep->objclass == FL_CHECKBUTTON);
fl_set_button(check_keep, space.keep());
int pos = 1;
switch (space.kind()) {
case VSpace::NONE:
pos = 1;
break;
case VSpace::DEFSKIP:
pos = 2;
break;
case VSpace::SMALLSKIP:
pos = 3;
break;
case VSpace::MEDSKIP:
pos = 4;
break;
case VSpace::BIGSKIP:
pos = 5;
break;
case VSpace::VFILL:
pos = 6;
break;
case VSpace::LENGTH:
pos = 7;
break;
}
fl_set_choice(choice_type, pos);
bool const custom_vspace = space.kind() == VSpace::LENGTH;
setEnabled(input_length, custom_vspace);
setEnabled(choice_length, custom_vspace);
if (custom_vspace) {
string const length = space.length().asString();
updateWidgetsFromLengthString(input_length, choice_length,
length, defaultUnit);
} else {
bool const no_vspace = space.kind() == VSpace::NONE;
setEnabled(check_keep, !no_vspace);
fl_set_input(input_length, "");
fl_set_choice_text(choice_length, defaultUnit.c_str());
}
}
} // namespace anon